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Catalyst of Aeons

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For the Legends of Runeterra card see Catalyst of Aeons
Catalyst of Aeons is an advanced item in League of Legends icon League of Legends.

Recipe

Catalyst of Aeons item
Catalyst of Aeons
Gold 1100 (Gold 350)
Ruby Crystal item
Ruby Crystal
Gold 400
Sapphire Crystal item
Sapphire Crystal
Gold 350

Cost Analysis

Gold Value
  • 225 health =  Gold 600
  • 300 mana =  Gold 420
    • Total Gold Value = Gold 1020

Gold Efficiency*

  • Catalyst of Aeons item Catalyst of Aeons is 92.73% gold efficient without the passive.

Builds Into

Abyssal Mask item
Abyssal Mask
Rod of Ages item
Rod of Ages

Strategy

  • With the increased durability and sustainability it provides, Catalyst of Aeons item Catalyst of Aeons allows champions to remain in their lanes longer without needing to recall.

Old Icon

Trivia

  • The word Catalyst means something or someone that precipitates or causes an event to happen without being used up itself, referring to the item's passive effect.
  • Catalyst mana restore is applied after resistances. The higher your resistances the less mana you will regain from damage.
  • Shields are treated the same as normal health for the damage to mana calculations.
  • The name "Aeons" may be a reference to the Star Craft map Aeon of Strife, by Aeon64, which was the spark that began the MOBA genre.
Freljord Crest icon

Patch History

V9.1 - January 21, 2019
V8.24
V8.4
V7.13
V7.12
V6.9
  • Renamed to Catalyst of Aeons item Catalyst of Aeons from Catalyst the Protector item Catalyst the Protector.
  • Total cost reduced to Gold 1100 from Gold 1200.
    • Combine cost reduced to Gold 350 from Gold 450.
  • Removed Unique Passive - Valor's Reward: On leveling up, restores 150 health and 200 mana over 8 seconds.
  • New Unique Passive - Eternity: 15% of damage taken from enemy champions is gained as mana. 20% of Mana spent is gained as health, up to 15 health per spell cast or 15 health per second for toggled spells.

References

List of Items

Starter items
  • Cull item
  • Doran's Blade item
  • Doran's Lost Blade item
  • Doran's Lost Idol item
  • Doran's Lost Ring item
  • Doran's Lost Shield item
  • Doran's Ring item
  • Doran's Shield item
  • Guardian's Hammer item
  • Guardian's Horn item
  • Orb of Winter item
    • Potions and Consumables
  • Control Ward item
  • Corrupting Potion item
  • Elixir of Iron item
  • Elixir of Sorcery item
  • Elixir of Wrath item
  • Health Potion item
  • Oracle's Extract item
  • Refillable Potion item
    • Trinkets
  • Farsight Alteration item
  • Oracle Lens item
  • Scarecrow Effigy item
  • Warding Totem item
    • Distributed
  • 'Your Cut' item
  • Black Spear item
  • Stopwatch item
  • Eye of the Herald item
  • Minion Dematerializer item
  • Stopwatch item
  • Poro-Snax item
  • Prototype Hex Core item
  • Slightly Magical Boots item
  • Total Biscuit of Everlasting Will item
    • Basic items
  • Amplifying Tome item
  • B. F. Sword item
  • Blasting Wand item
  • Boots of Speed item
  • Cloak of Agility item
  • Cloth Armor item
  • Dagger item
  • Dark Seal item
  • Faerie Charm item
  • Hunter's Machete item
  • Hunter's Talisman item
  • Long Sword item
  • Needlessly Large Rod item
  • Null-Magic Mantle item
  • Pickaxe item
  • Pridestalker's Blade item
  • Rejuvenation Bead item
  • Relic Shield item
  • Ruby Crystal item
  • Sapphire Crystal item
  • Spectral Sickle item
  • Spellthief's Edge item
  • Steel Shoulderguards item
  • Stopwatch item
    • Advanced items
  • Aegis of the Legion item
  • Aether Wisp item
  • Bami's Cinder item
  • Bilgewater Cutlass item
  • Bramble Vest item
  • Catalyst of Aeons item
  • Caulfield's Warhammer item
  • Chain Vest item
  • Chalice of Harmony item
  • Crystalline Bracer item
  • Executioner's Calling item
  • Fiendish Codex item
  • Forbidden Idol item
  • Frostfang item
  • Giant's Belt item
  • Glacial Shroud item
  • Harrowing Crescent item
  • Haunting Guise item
  • Hex Core mk-1 item
  • Hex Core mk-2 item
  • Hexdrinker item
  • Hextech Revolver item
  • Jaurim's Fist item
  • Kindlegem item
  • Kircheis Shard item
  • Last Whisper item
  • Lifeline item
  • Lost Chapter item
  • Negatron Cloak item
  • Murksphere item
  • Phage item
  • Quicksilver Sash item
  • Recurve Bow item
  • Runesteel Spaulders item
  • Seeker's Armguard item
  • Serrated Dirk item
  • Sheen item
  • Skirmisher's Sabre item
  • Spectre's Cowl item
  • Stalker's Blade item
  • Stinger item
  • Targon's Buckler item
  • Tear of the Goddess item
  • Tear of the Goddess (Crystal Scar) item
  • Tiamat item
  • Vampiric Scepter item
  • Warden's Mail item
  • Zeal item
    • Finished items
  • Abyssal Mask item
  • Adaptive Helm item
  • Archangel's Staff item
  • Archangel's Staff (Quick Charge) item
  • Ardent Censer item
  • Athene's Unholy Grail item
  • Atma's Reckoning item
  • Banshee's Veil item
  • Berserker's Greaves item
  • Black Cleaver item
  • Black Mist Scythe item
  • Blade of the Ruined King item
  • Bloodrazor item
  • Bloodthirster item
  • Boots of Mobility item
  • Boots of Swiftness item
  • Bulwark of the Mountain item
  • Juggernaut item
  • Circlet of the Iron Solari item
  • Dead Man's Plate item
  • Death's Dance item
  • Death's Daughter item
  • Deathfire Grasp item
  • Duskblade of Draktharr item
  • Edge of Night item
  • Essence Reaver item
  • Fire at Will item
  • Force of Nature item
  • Forgefire Cape item
  • Frozen Fist item
  • Frozen Heart item
  • Frozen Mallet item
  • Gargoyle Stoneplate item
  • Ghostwalkers item
  • Guardian Angel item
  • Guinsoo's Rageblade item
  • Hextech GLP-800 item
  • Hextech Gunblade item
  • Hextech Protobelt-01 item
  • Iceborn Gauntlet item
  • Infernal Mask item
  • Infinity Edge item
  • Innervating Locket item
  • Ionian Boots of Lucidity item
  • Knight's Vow item
  • Liandry's Torment item
  • Lich Bane item
  • Locket of the Iron Solari item
  • Lord Dominik's Regards item
  • Luden's Echo item
  • Luden's Pulse item
  • Manamune item
  • Manamune (Quick Charge) item
  • Maw of Malmortius item
  • Mejai's Soulstealer item
  • Mercurial Scimitar item
  • Mercury's Treads item
  • Might of the Ruined King item
  • Mikael's Crucible item
  • Molten Edge item
  • Moonflair Spellblade item
  • Morellonomicon item
  • Mortal Reminder item
  • Muramana item
  • Nashor's Tooth item
  • Ninja Tabi item
  • Obsidian Cleaver item
  • Pauldrons of Whiterock item
  • Perfect Hex Core item
  • Phantom Dancer item
  • Rabadon's Deathcap item
  • Rabadon's Deathcrown item
  • Raise Morale item
  • Randuin's Omen item
  • Rapid Firecannon item
  • Ravenous Hydra item
  • Redemption item
  • Righteous Glory item
  • Rod of Ages item
  • Rod of Ages (Crystal Scar) item
  • Runaan's Hurricane item
  • Magus item
  • Rylai's Crystal Scepter item
  • Salvation item
  • Sanguine Blade item
  • Seraph's Embrace item
  • Shard of True Ice item
  • Shurelya's Reverie item
  • Sorcerer's Shoes item
  • Spear of Shojin item
  • Spectral Cutlass item
  • Spellbinder item
  • Spirit Visage item
  • Statikk Shiv item
  • Sterak's Gage item
  • Stormrazor item
  • Sunfire Cape item
  • Sword of the Divine item
  • Spatula item
  • Thornmail item
  • Titanic Hydra item
  • Trinity Force item
  • Trinity Fusion item
  • Twin Shadows item
  • Umbral Glaive item
  • Void Staff item
  • Warmog's Armor item
  • Warrior item
  • Wit's End item
  • Youmuu's Ghostblade item
  • Youmuu's Wraithblade item
  • Zeke's Convergence item
  • Zephyr item
  • Zhonya's Hourglass item
  • Zhonya's Paradox item
    • Minion and Turret items
  • Anti-tower Socks item
  • Fortification
  • Gusto item
  • Ohmwrecker item
  • Phreakish Gusto item
  • Netherrift Armor item
  • Super Mech Armor item
  • Super Mech Power Field item
  • Turret Plating
  • Vision Ward item
    • Special Game Mode Exclusive items
  • Cloak of Stars item
  • Cosmic Shackle item
  • Dark Matter Scythe item
  • Dark Star Sigil item
  • Defense Upgrade 3 item
  • Entropy Field item
  • Espresso Snax item
  • Flash Zone item
  • Flesheater item
  • Frosted Snax item
  • Globe of Trust item
  • Golden Transcendence item
  • Gravity Boots item
  • Martyr's Gambit item
  • Mercenary Upgrade 3 item
  • Mirage Blade item
  • Murksphere item
  • Netherstride Grimoire item
  • Offense Upgrade 3 item
  • Port Pad item
  • Pox Arcana item
  • Puppeteer item
  • Rainbow Snax Party Pack! item
  • Rite of Ruin item
  • Seer Stone item
  • Shield Totem item
  • Siege Ballista item
  • Stealth Ward (Item) item
  • Singularity Lantern item
  • Staff of Flowing Water item
  • Super Spicy Snax item
  • Swindler's Orb item
  • Teleport item
  • Tower- Beam of Ruination item
  • Tower- Storm Bulwark item
  • Trickster's Glass item
  • Typhoon Claws item
  • Vanguard Banner item
    • Removed items
  • Abyssal Scepter item
  • Alacrity item
  • Ancient Coin item
  • Ancient Pocket Watch item
  • Arcane Sweeper item
  • Arcane Sweeper item
  • Atma's Impaler item
  • Avarice Blade item
  • Bag of Tea item
  • Banner of Command item
  • Blackfire Torch item
  • Blink Dagger item
  • Bloodletter's Veil item
  • Blue Pill item
  • Brawler's Gloves item
  • Breathstealer item
  • Captain item
  • Catalyst the Protector item
  • Cloak and Dagger item
  • Crystalline Flask item
  • Dervish Blade item
  • Devourer item
  • Distortion item
  • Eleisa's Miracle item
  • Elixir of Agility item
  • Elixir of Brilliance item
  • Elixir of Fortitude item
  • Elixir of Ruin item
  • Ichor of Illumination item
  • Emblem of Valor item
  • Entropy item
  • Explorer's Ward item
  • Eye of the Equinox item
  • Eye of the Oasis item
  • Face of the Mountain item
  • Farsight Orb item
  • Feral Flare item
  • Frost Queen's Claim item
  • Furor item
  • Giant Slayer item
  • Item
  • Greater Lens item
  • Greater Orb item
  • Greater Stealth Totem item
  • Greater Totem item
  • Greater Vision Totem item
  • Grez's Spectral Lantern item
  • Heart of Gold item
  • Heart of Targon item
  • Hunter's Potion item
  • Ichor of Illumination item
  • Ichor of Rage item
  • Ionic Spark item
  • Juggernaut item
  • Kage's Lucky Pick item
  • Kitae's Bloodrazor item
  • Leviathan item
  • Lightbringer item
  • Looted Oracle's Extract item
  • Lord Van Damm's Pillager item
  • Madred's Bloodrazor item
  • Madred's Razors item
  • Magus item
  • Malady item
  • Mana Manipulator item
  • Mana Potion item
  • Mandrake Ward item
  • Mariner's Vengeance item
  • Marksman's Rifle item
  • Meki Pendant item
  • Nomad's Medallion item
  • Odyn's Veil item
  • Ohmwrecker item
  • Oponn's Razor item
  • Oracle's Elixir item
  • Oracle's Hood item
  • Oracle's Lens item
  • Orb of Winter item
  • Overlord's Bloodmail item
  • Pathfinder's Knife item
  • Farsight Alteration item
  • Pendant of Zephiris item
  • Philosopher's Medallion item
  • Philosopher's Stone item
  • Pilfered Health Potion item
  • Elixir of Fortitude item
  • Stealth Ward (Item) item
  • Poacher's Dirk item
  • Poacher's Knife item
  • Priscilla's Blessing item
  • Prospector's Blade item
  • Prospector's Ring item
  • Quill Coat item
  • Ranger's Trailblazer item
  • Raptor Cloak item
  • Regrowth Pendant item
  • Rejuvenation Potion item
  • Remnant of the Ascended item
  • Remnant of the Aspect item
  • Remnant of the Watchers item
  • Renewal Tunic item
  • Ruby Sightstone item
  • Magus item
  • Runegorger item
  • Runic Bulwark item
  • Sage's Ring item
  • Sated Devourer item
  • Scroll of Teleportation item
  • Scrying Orb item
  • Sightstone item
  • Sly Sack of Gold item
  • Soul Anchor item
  • Soul Shroud item
  • Essence Reaver item
  • Spellbreaker item
  • Spirit Stone item
  • Spirit of the Ancient Golem item
  • Spirit of the Elder Lizard item
  • Spirit of the Spectral Wraith item
  • Stark's Fervor item
  • Stat-Stick of Stoicism item
  • Stealth Ward (Item) item
  • Sweeping Lens item
  • Sword of the Occult item
  • Talisman of Ascension item
  • Targon's Brace item
  • The Brutalizer item
  • The Rose's Pride item
  • Ancient Coin item
  • Face of the Mountain item
  • Frost Queen's Claim item
  • Frostfang item old
  • Nomad's Medallion item
  • Relic Shield item old
  • Spellthief's Edge item old
  • Talisman of Ascension item
  • Targon's Brace item
  • Total Biscuit of Rejuvenation item
  • Tracker's Knife item
  • Travel Size Elixir of Iron item
  • Travel Size Elixir of Sorcery item
  • Travel Size Elixir of Wrath item
  • Vision Ward item
  • Wicked Hatchet item
  • Will of the Ancients item
  • Wizard's Regalia item
  • Wooglet's Witchcap item
  • Wooglet's Witchcrown item
  • Wriggle's Lantern item
  • Yordle Stompers item
  • Zeke's Harbinger item
  • Zeke's Herald item
  • Zhonya's Ring item
  • Zz'Rot Portal item
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