Champion (Teamfight Tactics)

This article is about the Teamfight Tactics unit-type. For the full list of available champions, see: List of champions. For other uses of Champion, see Champion (disambiguation).

Champion known as Garen being controlled by a Little Legend.

Champions are units in the Teamfight Tactics game mode that fight in arenas to protect the Little Legend. Unlike champions in League of Legends, these units are not directly controllable once placed on the battlefield.

They are characters taken directly from the League of Legends intellectual property and can take appearances from the  Runeterra Prime universe, as well as from a wide variety of alternate universes depending on the current playable set. Players can buy, sell, reposition, and equip items on champions as well as upgrade champions.

Champion tier

Champions each have a tier represents their rarity which ranges from 1 to 5.

• Tier 1
• Tier 2
• Tier 3
• Tier 4
• Tier 5
• Tier 7 (Set 2 Lux only; functions similarly to a Tier 5 champion)

All players share the same pool of champions. Each champion can only be found a specific amount of times based on their tier:

Champion Tier	1	2	3	4	5
Size per champion	29	22	18	12	10

A champion's drop rate is determined based on their tier and on the Little Legend's level:

Champion Tier ►	1	2	3	4	5
Legend Level ▼
Level 1	100%	0%	0%	0%	0%
Level 2	100%	0%	0%	0%	0%
Level 3	75%	25%	0%	0%	0%
Level 4	55%	30%	15%	0%	0%
Level 5	45%	33%	20%	2%	0%
Level 6	25%	40%	30%	5%	0%
Level 7	19%	30%	35%	15%	1%
Level 8	16%	20%	35%	25%	4%
Level 9	9%	20%	35%	25%	16%
Level 10 (set 6 only)	5%	10%	20%	40%	25%
Level 11 (set 6 only)	1%	2%	12%	50%	35%

• Note: Level 11 (set 6 only) is a combination of Level Up and High End Shopping Augments.

Champion Star-level

Champion Star-level

When acquired, a champion starts as a 1-Star. Three of the same 1-Star champion can be combined to create a stronger 2-Star champion. Three of the same 2-Star champions can be combined to create an even stronger 3-Star champion.

Champions combine automatically when you have three of the same and all copies are not in combat. The combined champion will automatically appear on your battlefield if one of the original champions is already deployed.

Increasing a champion's Star-level increases their maximum health and attack damage by a percentage of their 1-star version. Their ability also becomes stronger.

	0-Star ()	1-Star	2-Star	3-Star	4-Star ()
Attack damage and health	70%	100%	180%	324%	583.2%

Other Star-level scalings

Veigar (Sets 1 and 2 only) was the only champion to interact with the enemy's Star-level, dealing massive damage to his target with his ability if they were a lower Star-level than him.

The effect of Bramble Vest, Deathblade, and Locket of the Iron Solari increases based on the Star-level of the wearer.

Champion store

• The player has a champion store of 5 randomly picked champions.
• The player can spend 2 gold to reroll the pool.
• Consecutive shops do not repeat unbought champions.
• The champion store resets with every round for free.
  • The player can lock the champion store to prevent the store from refreshing automatically. The player can unlock the shop at any time.
• Champions from the store can be bought at the cost of:
  • Their tier in gold
  • 1 (in Hyper Roll) or 6 Little Legend health (Set 5 Teemo only)
• Champions can be sold for:

Champion Tier ►	1	2	3	4	5
Champion Star-level ▼
1-Star	1	2	3	4	5
2-Star	3	5	8	11	14
3-Star	9	17	26	35	44

Champion item inventory

Main article: Item (Teamfight Tactics)

• Defeated monsters sometimes drop items for champion to equip.
• A champion can hold up to 3 items at a time.
• If two items are used on the same champion, they are combined into a stronger item, granting various effects based on the combination.
• If a champion with items is sold, the items returns to the player's inventory.

Champion traits

Main article: List of champions (Teamfight Tactics)

Champions have one origin and one class, with a few exceptions. Satisfying the origin or class conditions grants bonus effects to the entire team or to the champions of the respective origin or class.

Champion statistics and mechanics

Champions have a variety of statistics which increases the champion's strengths.

Health

Main article: Health (Teamfight Tactics)

Health refers to the amount of life a champion has. Champions are removed from combat when their health reaches 0. Slain champions will respawn next round. Health is shown above a champion's head as a green bar that is separated for every 300 health the champion has.

Basic attack

Basic attacks are the default attack for champions, they deal physical damage.

• Attack damage is the amount of damage a champion will do with each basic attack.
• Attack speed is measured in attacks per second. All attack speed increases are percentage-based, and affect each champion based on their base attack speed. Attack speed slows are based on total attack speed. Attack speed is capped at 5.0 attacks per second. But the attack speed of a champion can be increased beyond this limit (by buffs from other champions).
• Attack range is measured in hexes. 1 attack range means a champion can only attack enemies in adjacent hexes.
• Basic attacks and abilities that deal physical damage have a chance to critically strike to deal 30% bonus damage, determined by critical strike chance. Every champion starts with 25% critical strike chance. The bonus damage is further increased by critical strike damage (which stacks additively).
• Armor reduces the damage taken from physical damage. Armor works using this formula:

$\pagecolor {Black}\color {White}{\rm {Damage\ multiplier}}={100 \over 100+{\it {Armor}}}$

Ability

Champions have a unique ability that they can cast once their mana bar is full. Some champions are manaless and instead have a permanent passive effect (for more information, see the mana page). Abilities deal magic damage, with the exceptions of attack-modifiers. On patch V9.15, it was indicated that most ability cast are 0.5 seconds.

• Mana is generated by basic attacking and taking damage.
• Ability power increases the potency of a champion's ability. Each point of ability power grants 1% increased ability effect.
• Magic resistance reduces the damage taken from magic damage. Magic resistance works using this formula:

$\pagecolor {Black}\color {White}{\rm {Damage\ multiplier}}={100 \over 100+{\it {MR}}}$

To see the list of champions that deal true damage with their ability, see this page.

The following champions deal physical damage with their ability:

• Set 6
• Set 5.5
• Set 5
• Set 4.5
• Set 4
• Set 3.5
• Set 3
• Set 2
• Set 1

• Ezreal
• Fiora
• Gangplank
• Garen
• Jayce
• Jhin
• Jinx
• Samira
• Shaco
• Tristana
• Trundle
• Twitch
• Urgot

• Aatrox
• Aphelios
• Draven
• Jax
• Kalista
• Kled
• Lucian
• Nocturne
• Sett
• Udyr
• Varus

• Aatrox
• Aphelios
• Darius
• Draven
• Jax
• Kalista
• Kled
• Nocturne
• Pantheon
• Sett
• Udyr
• Varus

• Olaf
• Samira
• Talon
• Tryndamere
• Wukong
• Xayah
• Yasuo

• Ashe
• Jhin
• Talon
• Wukong
• Xin Zhao
• Yasuo

• Irelia
• Jhin
• Lucian
• Shaco
• Vayne

• Irelia
• Jhin
• Lucian
• Shaco

• Ashe
• Kha'Zix
• Lucian
• Sivir
• Twitch

• Draven
• Graves
• Lucian
• Rengar
• Volibear

Movement speed

Movement speed refers to the speed at which a champion moves in the arena. Champions have 550 base movement speed. Melee champions move slightly earlier at the start of combat than ranged champions.

If a champion is in the attack range of their target, and the target moves out of range, the attacker only chases their target for 1 hex before switching to the closest enemy.

Game mechanics

• Dodge causes incoming attacks to miss (deal no damage and do not apply spell or item effects).
• Grievous Wounds is a debuff that reduces healing on the target for a duration.
• True damage is a type of damage that ignores resistances (armor and magic resistance).
• Stealth temporarily makes the target invisible and untargetable.

Crowd control

• Airborne moves the target in a specified direction or to a specific point. For the duration the target is unable to move, declare attacks or cast their ability.
• Zephyr temporarily banishes a target for a duration, disabling them. The target is unable to perform any action and cannot be attacked by enemy team for a duration.
• Disarm prevents the target from declaring basic attacks for a duration.
• Root prevents the target from moving.
• Stun prevents the target from moving, attacking and activating their ability.
• Taunt forces the target to attack the source.

Bench

If a player's bench is full, the extra champion gained with a carousel will be sold at the end of Planning phase.

Trivia

• As of Set 5 and the League of Legends champion release of Zeri on 20 January 2022, 154/158 (about 98% of the League of Legends champion pool) champions have been made playable as a champion in Teamfight Tactics.
  • Champions have not appeared in Teamfight Tactics are: Alistar, Corki and Rammus.
  • In Sets 4 and 4.5, Galio could be summoned via the Cultist trait.
• Before Set 3, some champion abilities did not scale with ability power:

• Hide
• Show

• Set 2
• Set 1

• Ashe
• Braum
• Kha'Zix
• Leona
• Olaf
• Sivir
• Taric
• Twitch
• Yasuo
• Zed

• Braum
• Draven
• Elise
• Graves
• Kayle
• Kindred
• Rengar
• Shen
• Volibear

• There are Teamfight Tactics champions that are manaless in League of Legends but use mana in Teamfight Tactics:

• Hide
• Show

• Set 6
• Set 5.5
• Set 5
• Set 4.5
• Set 4
• Set 3.5
• Set 3
• Set 2
• Set 1

• Akali
• Dr. Mundo
• Garen
• Katarina
• Yone
• Zac

• Aatrox
• Garen
• Kennen
• Kled
• Riven
• Sett
• Viego
• Yasuo

• Aatrox
• Garen
• Katarina
• Kennen
• Kled
• Lee Sin
• Mordekaiser
• Riven
• Sett
• Viego
• Vladimir
• Yasuo

• Aatrox
• Akali
• Garen
• Katarina
• Kennen
• Lee Sin
• Sett
• Shen
• Shyvana
• Tryndamere
• Vladimir
• Yasuo
• Yone

• Aatrox
• Akali
• Garen
• Katarina
• Kennen
• Lee Sin
• Riven
• Sett
• Shen
• Yasuo
• Yone
• Zed

• Gnar
• Mordekaiser
• Rumble
• Riven
• Shen
• Yasuo

• Mordekaiser
• Rumble
• Shen
• Yasuo

• Aatrox
• Dr. Mundo
• Rek'Sai
• Renekton
• Vladimir
• Yasuo
• Zed

• Aatrox
• Akali
• Gnar
• Katarina
• Kennen
• Mordekaiser
• Rek'Sai
• Shen
• Shyvana
• Yasuo
• Zed

• Conversely, there are Teamfight Tactics champions that use mana in League of Legends that are manaless in Teamfight Tactics:

• Hide
• Show

• Set 5
• Set 4.5
• Set 4
• Set 3.5
• Set 3
• Set 2
• Set 1

• Kayle (Mana is purely cosmetic)
• Nocturne
• Vayne

• Kalista
• Tahm Kench
• Samira(Mana is purely cosmetic)

• Jhin
• Kalista
• Tahm Kench
• Vayne

• Jhin
• Jinx
• Malphite

• Jhin
• Jinx
• Malphite

• Maokai
• Nocturne
• Singed
• Vayne

• Graves
• Jinx
• Kassadin
• Vayne

• Champions in Teamfight Tactics may appear in one of their custom skins or a recolored version of one, official Chroma or otherwise. This is to help them better thematically fit their given origins or traits:

• Hide
• Show

• Set 5
• Set 4.5
• Set 4
• Set 3.5
• Set 3
• Set 2
• Set 1

• In Set 5, 53/58 (about 91% of the champion pool) champions are in one of their custom skins, and cannot be seen without that skin.
  • Aatrox appears as Justicar Aatrox.
  • Aphelios appears as Nightbringer Aphelios.
  • Ashe appears as Fae Dragon Ashe.
  • Brand appears as Zombie Brand.
  • Darius appears as God-King Darius.
  • Diana appears as Dragonslayer Diana.
  • Draven appears as Ruined Draven.
  • Garen appears as God-King Garen.
  • Gragas appears as Warden Gragas.
  • Heimerdinger appears as Dragon Trainer Heimerdinger.
  • Ivern appears as Old God Ivern.
  • Jax appears as Warden Jax.
  • Karma appears as Dawnbringer Karma.
  • Katarina appears as Death Sworn Katarina.
  • Kayle appears as Viridian Kayle.
  • Kennen appears as Infernal Kennen.
  • Kha'Zix appears as Championship Kha'Zix.
  • Kled appears as Marauder Kled.
  • LeBlanc appears as Coven LeBlanc.
  • Lee Sin appears as Nightbringer Lee Sin.
  • Leona appears as Solar Eclipse Leona.
  • Lissandra appears as Coven Lissandra.
  • Lulu appears as Wicked Lulu.
  • Lux appears as Lunar Empress Lux.
  • Mordekaiser appears as Infernal Mordekaiser.
  • Morgana appears as Coven Morgana.
  • Nautilus appears as Warden Nautilus.
  • Nidalee appears as Dawnbringer Nidalee.
  • Nocturne appears as Old God Nocturne.
  • Nunu appears as Zombie Nunu.
  • Pantheon appears as Dragonslayer Pantheon.
  • Poppy appears as Noxus Poppy.
  • Rell appears as Battle Queen Rell.
  • Riven appears as Dawnbringer Riven.
  • Ryze appears as Zombie Ryze.
  • Sejuani appears as Darkrider Sejuani.
  • Sett appears as Obsidian Dragon Sett.
  • Soraka appears as Dawnbringer Soraka.
  • Syndra appears as Justicar Syndra.
  • Taric appears as Emerald Taric.
  • Teemo appears as Little Devil Teemo.
  • Trundle appears as Dragonslayer Trundle.
  • Udyr appears as Dragon Oracle Udyr.
  • Varus appears as Arclight Varus.
  • Vayne appears as Soulstealer Vayne.
  • Vel'Koz appears as Arclight Vel'Koz.
  • Viktor appears as Death Sworn Viktor.
  • Vladimir appears as Nightbringer Vladimir.
  • Volibear appears as The Thousand-Pierced Bear.
  • Warwick appears as Grey Warwick.
  • Yasuo appears as Nightbringer Yasuo.
  • Ziggs appears as Master Arcanist Ziggs.
  • Zyra appears as Dragon Sorceress Zyra.

In Set 4.5, 44/58 (about 76% of the champion pool) champions are in one of their custom skins, and cannot be seen without that skin.

• New champions:
  • Aurelion Sol appears as Storm Dragon Aurelion Sol.
  • Brand appears as Eternal Dragon Brand.
  • Braum appears as Dragonslayer Braum.
  • Cho'Gath appears as Shan Hai Scrolls Cho'Gath.
  • Darius appears as Lunar Beast Darius.
  • Diana appears as Lunar Goddess Diana.
  • Nasus appears as Lunar Guardian Nasus.
  • Nautilus appears as Shan Hai Scrolls Nautilus.
  • Neeko appears as Shan Hai Scrolls Neeko.
  • Olaf appears as Dragonslayer Olaf.
  • Ornn appears as Elderwood Ornn.
  • Rakan appears as Elderwood Rakan.
  • Sivir appears as Blood Moon Sivir.
  • Swain appears as Dragon Master Swain.
  • Tristana appears as Dragon Trainer Tristana.
  • Vladimir appears as Warring Kingdoms Vi.
  • Xayah appears as Elderwood Xayah.
• Returning champions:
  • Aatrox appears as Blood Moon Aatrox.
  • Annie appears as Panda Annie.
  • Azir appears as Warring Kingdoms Azir.
  • Elise appears as Blood Moon Elise.
  • Fiora appears as Soaring Sword Fiora.
  • Garen appears as Warring Kingdoms Garen.
  • Irelia appears as Divine Sword Irelia.
  • Janna appears as Sacred Sword Janna.
  • Jarvan IV appears as Warring Kingdoms Jarvan IV.
  • Jax appears as God Staff Jax.
  • Kalista appears as Blood Moon Kalista.
  • Katarina appears as Warring Kingdoms Katarina.
  • Kindred appears as Spirit Blossom Kindred.
  • Lee Sin appears as God Fist Lee Sin.
  • Morgana appears as Majestic Empress Morgana.
  • Nidalee appears as Warring Kingdoms Nidalee.
  • Nunu appears as Sasquatch Nunu.
  • Pyke appears as Blood Moon Pyke.
  • Sejuani appears as Firecracker Sejuani.
  • Tahm Kench appears as Coin Emperor Tahm Kench.
  • Talon appears as Enduring Sword Talon.
  • Teemo appears as Spirit Blossom Teemo.
  • Twisted Fate appears as Blood Moon Twisted Fate.
  • Veigar appears as Elderwood Veigar.
  • Vi appears as Warring Kingdoms Vi.
  • Wukong appears as Radiant Wukong.
  • Zilean appears as Blood Moon Zilean.

In Set 4, 45/58 (about 78% of the champion pool) champions are in one of their custom skins, and cannot be seen without that skin.

• Aatrox appears as Blood Moon Aatrox.
• Ahri appears as Spirit Blossom Ahri.
• Annie appears as Panda Annie.
• Ashe appears as High Noon Ashe.
• Azir appears as Warring Kingdoms Azir.
• Cassiopeia appears as Spirit Blossom Cassiopeia.
• Elise appears as Blood Moon Elise.
• Evelynn appears as Blood Moon Evelynn.
• Ezreal appears as Nottingham Ezreal.
• Fiora appears as Soaring Sword Fiora.
• Garen appears as Warring Kingdoms Garen.
• Hecarim appears as Elderwood Hecarim.
• Irelia appears as Divine Sword Irelia.
• Janna appears as Sacred Sword Janna.
• Jarvan IV appears as Warring Kingdoms Jarvan IV.
• Jax appears as God Staff Jax.
• Jhin appears as Blood Moon Jhin.
• Jinx appears as Firecracker Jinx.
• Kalista appears as Blood Moon Kalista.
• Katarina appears as Warring Kingdoms Katarina.
• Kindred appears as Spirit Blossom Kindred.
• Lee Sin appears as God Fist Lee Sin.
• Lillia appears as Spirit Blossom Lillia.
• Lissandra appears as Coven Lissandra.
• Lux appears as Lunar Empress Lux.
• Morgana appears as Majestic Empress Morgana.
• Nami appears as Splendid Staff Nami.
• Nidalee appears as Warring Kingdoms Nidalee.
• Nunu appears as Sasquatch Nunu.
• Pyke appears as Blood Moon Pyke.
• Riven appears as Spirit Blossom Riven.
• Sejuani appears as Firecracker Sejuani.
• Sylas appears as Lunar Wraith Sylas.
• Tahm Kench appears as Coin Emperor Tahm Kench.
• Talon appears as Enduring Sword Talon.
• Teemo appears as Spirit Blossom Teemo.
• Thresh appears as Spirit Blossom Thresh.
• Twisted Fate appears as Blood Moon Twisted Fate.
• Vayne appears as Spirit Blossom Vayne.
• Veigar appears as Elderwood Veigar.
• Vi appears as Warring Kingdoms Vi.
• Warwick appears as Lunar Guardian Warwick.
• Wukong appears as Radiant Wukong.
• Xin Zhao appears as Warring Kingdoms Xin Zhao.
• Zilean appears as Blood Moon Zilean.

In Set 3.5, all 57 champions are in one of their custom skins, and cannot be seen without that skin.

• New champions:
  • Bard appears as Astronaut Bard.
  • Cassiopeia appears as Eternum Cassiopeia.
  • Gnar appears as Astronaut Gnar.
  • Illaoi appears as Resistance Illaoi.
  • Janna appears as Star Guardian Janna.
  • Kog'Maw appears as Battlecast Kog'Maw.
  • Nautilus appears as AstroNautilus.
  • Nocturne appears as Eternum Nocturne.
  • Riven appears as Pulsefire Riven.
  • Teemo appears as Astronaut Teemo.
  • Urgot appears as Battlecast Urgot.
  • Vayne appears as PROJECT: Vayne.
  • Viktor appears as Creator Viktor.
  • Zed appears as Galaxy Slayer Zed.
• Returning champions:
  • Ahri appears as Star Guardian Ahri.
  • Annie appears as Super Galaxy Annie.
  • Ashe appears as Cosmic Queen Ashe.
  • Aurelion Sol appears as Mecha Aurelion Sol.
  • Blitzcrank appears as iBlitzcrank.
  • Caitlyn appears as Pulsefire Caitlyn.
  • Darius appears as Dreadnova Darius.
  • Ekko appears as PROJECT: Ekko.
  • Ezreal appears as Pulsefire Ezreal.
  • Fiora appears as PROJECT: Fiora.
  • Fizz appears as Super Galaxy Fizz.
  • Gangplank appears as Dreadnova Gangplank.
  • Graves appears as Jailbreak Graves.
  • Irelia appears as PROJECT: Irelia.
  • Jarvan IV appears as Dark Star Jarvan IV.
  • Jayce appears as Forsaken Jayce.
  • Jhin appears as Dark Cosmic Jhin.
  • Jinx appears as Odyssey Jinx.
  • Karma appears as Dark Star Karma.
  • Leona appears as PROJECT: Leona.
  • Lucian appears as PROJECT: Lucian.
  • Lulu appears as Cosmic Enchantress Lulu.
  • Malphite appears as Odyssey Malphite.
  • Master Yi appears as Chosen Master Yi.
  • Mordekaiser appears as Dark Star Mordekaiser.
  • Neeko appears as Star Guardian Neeko.
  • Poppy appears as Star Guardian Poppy.
  • Rakan appears as Cosmic Dawn Rakan.
  • Rumble appears as Super Galaxy Rumble.
  • Shaco appears as Dark Star Shaco.
  • Shen appears as Pulsefire Shen.
  • Soraka appears as Star Guardian Soraka.
  • Syndra appears as Star Guardian Syndra.
  • Thresh appears as Pulsefire Thresh Prestige Edition.
  • Twisted Fate appears as Pulsefire Twisted Fate.
  • Vi appears as PROJECT: Vi.
  • Wukong appears as Lancer Stratus Wukong.
  • Xayah appears as Cosmic Dusk Xayah.
  • Xerath appears as Dark Star Xerath.
  • Xin Zhao appears as Cosmic Defender Xin Zhao.
  • Yasuo appears as Odyssey Yasuo.
  • Ziggs appears as Odyssey Ziggs.
  • Zoe appears as Star Guardian Zoe.

In Set 3, 49/52 (about 94% of the champion pool) champions are in one of their custom skins, and cannot be seen without that skin. Only champions with the Void origin appear in their default skin.

• Ahri appears as Star Guardian Ahri.
• Annie appears as Super Galaxy Annie.
• Ashe appears as Cosmic Queen Ashe.
• Aurelion Sol appears as Mecha Aurelion Sol.
• Blitzcrank appears as iBlitzcrank.
• Caitlyn appears as Pulsefire Caitlyn.
• Darius appears as Dreadnova Darius.
• Ekko appears as PROJECT: Ekko.
• Ezreal appears as Pulsefire Ezreal.
• Fiora appears as PROJECT: Fiora.
• Fizz appears as Super Galaxy Fizz.
• Gangplank appears as Dreadnova Gangplank.
• Graves appears as Jailbreak Graves.
• Irelia appears as PROJECT: Irelia.
• Jarvan IV appears as Dark Star Jarvan IV.
• Jayce appears as Forsaken Jayce.
• Jhin appears as Dark Cosmic Jhin.
• Jinx appears as Odyssey Jinx.
• Kai'Sa appears as Bullet Angel Kai'Sa.
• Karma appears as Dark Star Karma.
• Kassadin appears as Cosmic Reaver Kassadin.
• Kayle appears as Aether Wing Kayle.
• Leona appears as PROJECT: Leona.
• Lucian appears as PROJECT: Lucian.
• Lulu appears as Cosmic Enchantress Lulu.
• Lux appears as Dark Cosmic Lux.
• Malphite appears as Odyssey Malphite.
• Master Yi appears as Chosen Master Yi.
• Miss Fortune appears as Gun Goddess Miss Fortune.
• Mordekaiser appears as Dark Star Mordekaiser.
• Neeko appears as Star Guardian Neeko.
• Poppy appears as Star Guardian Poppy.
• Rakan appears as Cosmic Dawn Rakan.
• Rumble appears as Super Galaxy Rumble.
• Shaco appears as Dark Star Shaco.
• Shen appears as Pulsefire Shen.
• Sona appears as Odyssey Sona.
• Soraka appears as Star Guardian Soraka.
• Syndra appears as Star Guardian Syndra.
• Thresh appears as Pulsefire Thresh Prestige Edition.
• Twisted Fate appears as Pulsefire Twisted Fate.
• Vi appears as PROJECT: Vi.
• Wukong appears as Lancer Stratus Wukong.
• Xayah appears as Cosmic Dusk Xayah.
• Xerath appears as Dark Star Xerath.
• Xin Zhao appears as Cosmic Defender Xin Zhao.
• Yasuo appears as Odyssey Yasuo.
• Ziggs appears as Odyssey Ziggs.
• Zoe appears as Star Guardian Zoe.

In Set 2, 33/56 (about 59% of the champion pool) champions were in one of their custom skins, and could not be seen without that skin.

• Aatrox appears as Justicar Aatrox.
• Amumu appears as Infernal Amumu.
• Ashe appears as Amethyst Ashe.
• Diana appears as Infernal Diana.
• Dr. Mundo appears as Toxic Dr. Mundo.
• Ezreal appears as Frosted Ezreal.
• Jax appears as God Staff Jax.
• Karma appears as Dawnbringer Karma.
• Kha'Zix appears as Guardian of the Sands Kha'Zix.
• Kindred appear as Shadowfire Kindred.
• Kog'Maw appears as Caterpillar Kog'Maw.
• LeBlanc appears as Elderwood LeBlanc.
• Leona appears as Lunar Eclipse Leona.
• Lux appears as Elementalist Lux.
• Malzahar appears as Overlord Malzahar.
• Master Yi appears as Assassin Master Yi.
• Nami appears as Deep Sea Nami.
• Nasus appears as Lunar Guardian Nasus.
• Nocturne appears as Eternum Nocturne.
• Olaf appears as Glacial Olaf.
• Ornn appears as Thunder Lord Ornn.
• Rek'Sai appears as Eternum Rek'Sai.
• Sion appears as Warmonger Sion.
• Soraka appears as Celestine Soraka.
• Syndra appears as Atlantean Syndra.
• Thresh appears as Deep Terror Thresh.
• Varus appears as Infernal Varus.
• Vayne appears as Arclight Vayne.
• Vladimir appears as Dark Waters Vladimir.
• Warwick appears as Tundra Hunter Warwick.
• Yorick appears as Arclight Yorick.
• Zed appears as Shockblade Zed.
• Zyra appears as Wildfire Zyra.

In Set 1, 9/57 (about 16% of the champion pool) champions were in one of their custom skins, and could not be seen without that skin (with the exception of Jayce and Katarina as noted below).

• Draven appears as Gladiator Draven.
• Gangplank appears as Captain Gangplank.
• Graves appears as Cutthroat Graves.
• Jayce appears as Original Jayce in his normal form and Full Metal Jayce in his transformation.
• Katarina appears as High Command Katarina, however, her shop card uses Original Katarina splash art instead.
• Miss Fortune appears as Captain Fortune.
• Pantheon appears as Dragonslayer Pantheon.
• Twisted Fate appears as Cutpurse Twisted Fate.
• Vayne appears as Arclight Vayne.

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References

Teamfight Tactics Wiki | Champions in Gizmos & Gadgets