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U.R.F. Mode
Ultra Rapid Fire (U.R.F.) is a Featured Game Mode played on Summoners Rift where all champions get to use their abilities more often and matches usually last 20 minutes or less. All players start the game with an aura that adds many adjustments to how the game is played. The two main highlights are 300 Ability haste, (equivalent to 75% cooldown reduction), and the removal of all mana and energy costs from using abilities. The game mode alternates between All Random and Blind Drafts, depending on which one Riot would like to run.
Contents
Features
- Map:
Summoner's Rift - Draft: All Random or Blind
- Includes the Reroll Bench.
- Each player is allowed to ban one champion.
- Players have access to champions from the last 3 Free Rotations plus any owned champions.
- Features:
- Awesome Buff of Awesomely Awesome Buffing e
- Effects: (Updated as of ARURF 2021)
- Mana and Energy consumption reduced by 100%.
- Reduced to 50% for Health costs.
- Reduced to 50% for
- +300 ability haste, summoner spell haste, and item haste.
- +25% tenacity.
- +60 movement speed.
- Bonus attack speed is doubled on ranged champions, 1.5 times for melee champions.
- Critical strikes deal 25% additional damage.
- Champions that can have mana convert 35% of bonus mana into bonus health, and 100% of bonus mana regeneration into bonus health regeneration.
- The following buffs are specific to the champion when applicable:
- This unit deals X% of its normal damage.
- This unit receives X% of its normal damage.
- Notes:
- Ability haste from other sources stack with the URF bonus.
- Effects: (Updated as of ARURF 2021)
- Heal Embargo e: Direct healing effects are only 50% effective at the beginning of the game, increasing by 1% every 30 seconds, up to 100% effective at 25 minutes.
- Shield Overload e: Non-ultimate shields strength are reduced by 30%.
- Champion cannon: A cannon outside each team's fountain will be present for friendly champions to select. Jumping inside the cannon renders the unit vanished, and staying in for more than 10 seconds forces them out. Units have a larger field of view of the map and can launch themselves with displacement immunity to a target location of their choice, there is a maximum range however. A circular indicator visible to all units will be placed on that specific location. Upon impact, all enemies within the area take 120 − 460 (based on level) magic damage and are knocked airborne.
- Minion gold: When minions die you get a chunk of gold whether you last hit them or not. Additionally, last hitting a minion grants more gold.
- Caster minions are worth 19.6.
- Melee minions are worth 29.4.
- Siege minions are worth 84.
- Caster minions are worth
- Higher level cap: The level cap is increased to level 30.
- Early surrender: Can now unanimously surrender at 8 minutes, or normal surrender at 10 minutes.
- Early homeguard: Homeguard is enabled from the start of the match.
- Turret Plating disintegrates at 6:00 instead of 14:00.
- Turret plate health changed to 500 - 1500, based on the plate.
- Turret plate gold increased to 300.
- Summoner Spells changes:
- Jungle changes:
- Dragon
- Initial spawn time reduced to 4 minutes.
- Respawn time reduced to 2 minutes and 30 seconds.
- Baron Nashor
- Initial spawn time reduced to 10 minutes.
- Respawn time reduced to 5 minutes.
- Grants both the Hand of Baron and spawns a Eye of the Herald when slain.
Golden Spatula Club
- Golden Spatula Club ( 1250): This was a club membership that lasted for the duration of the Lunar Revel 2019 event. Joining granted you:
- Golden Spatula Club icon.
- 1 random individual skin boost every game.
- 1 additional reroll each game (maximum allowed is still 2).
- 3 new randomized champion finishers. The more people on your team that are members, the fancier your finishers will be.
- Special minion taunts.
Finishers
- Players who are part of the Golden Spatula club will trigger one of 3 unique Finishers, chosen at random, whenever they score a takedown on an enemy champion.
- Equipping any of the following summoner icons will cause the corresponding Finisher to trigger.
Heartsplosion
Orbital Laser
Spooky Urf
Mode-Specific Changes
As balanced changes from previous events have been observed in-game despite not being documented by Riot, all possible recurring changes have been listed below and appropriately denoted. The reason for distinguishing these changes is that the values listed are those from previous event notes and may not reflect the current value.
Note that any cooldowns detailed below are as they appear in-game (i.e. they are not reduced by Ultra Rapid buff to a lower value).
This table extracts the data from Module:ChampionData/data and Template:map_changes/data/urf.
| Champion | Damage dealt | Damage received | Other effects
|
|---|---|---|---|
 Aatrox |
+15% | -25% | |
 Ahri |
-5% | +5% | |
 Alistar |
| ||
 Amumu |
+5% | -10% | |
 Anivia |
+5% | -8% |
|
 Annie |
-5% | ||
 Aurelion Sol |
| ||
 Azir |
| ||
 Bard |
+15% | -15% |
|
 Brand |
| ||
 Braum |
+5% | -10% | |
 Cassiopeia |
-5% | +5% | |
 Corki |
| ||
 Darius |
+5% | -5% | |
 Draven |
-5% | +5% | |
 Evelynn |
Stats
| ||
 Ezreal |
-5% |
| |
 Fiddlesticks |
+10% | -10% | |
 Fiora |
-5% | +10% |
Stats
|
 Fizz |
-5% | +8% | |
 Gangplank |
| ||
 Garen |
+10% | -5% |
|
 Gragas |
| ||
 Hecarim |
| ||
 Illaoi |
+5% | -10% | |
 Jax |
-5% | +8% |
Stats
|
 Jayce |
-8% | +5% | |
 Kai'Sa |
-8% | +8% | |
 Karma |
| ||
 Karthus |
-5% |
Stats
| |
 Kassadin |
| ||
 Kindred |
| ||
 Lucian |
-5% | +5% | |
 Malzahar |
-8% | +8% | |
 Maokai |
| ||
 Master Yi |
| ||
 Nunu & Willump |
| ||
 Orianna |
-10% | +8% | |
 Ornn |
+5% | -5% |
Stats
|
 Rammus |
+5% | -10% | |
 Rumble |
Stats
| ||
 Sett |
+5% | -8% | |
 Shaco |
-5% |
| |
 Sivir |
-5% | ||
 Skarner |
| ||
 Sona |
Stats
| ||
 Soraka |
+5% | -8% | |
 Syndra |
-10% | +10% | |
 Tahm Kench |
+15% | -15% |
Stats
|
 Teemo |
| ||
 Thresh |
| ||
 Trundle |
-5% | ||
 Twisted Fate |
-5% | ||
 Twitch |
-8% | +5% | |
 Udyr |
+5% | -8% | |
 Urgot |
+10% | -15% | |
 Vex |
-5% | ||
 Vi |
-5% | ||
 Viktor |
-5% | ||
 Vladimir |
-8% | +5% | |
 Volibear |
+5% | ||
 Xayah |
-15% | +10% | |
 Xin Zhao |
+5% | ||
 Yone |
+5% | -10% | |
 Yuumi |
-20% | +20% |
|
 Zac |
Stats
| ||
 Zed |
-5% |
Stats
| |
 Zilean |
+5% | -10% |
|
- This item is disabled.
- This item is disabled.
- Initial cooldown changed to 2 minutes.
- This item is disabled.
- This item is disabled.
- This item is disabled.
- This item is disabled.
- Cooldown changed to 10 seconds at all levels.
- Cooldown changed to 80 − 50 (based on level) seconds.
- Cooldown changed to 12 seconds.
- Base damage changed to 10 − 50 (based on level).
- AP ratio changed to 10% AP.
- AD ratio changed to 20% bonus AD.
- Damage per soul changed to 2.
- Cooldown changed to 10 seconds.
- Cooldown changed to 10 seconds.
- Cooldown changed to 30 seconds.
- Stats gained every 6 minutes.
- Triggered attack bonus health changed to 15.
- Ranged champions triggered attack bonus health changed to 9.
- Cooldown changed to 15 seconds.
- Cooldown changed to 30 seconds.
- Initial cooldown changed to 6 minutes.
- Boots granted at 6 minutes.
- Initial cooldown changed to 4 minutes.
- Initial cooldown changed to 2 minutes.
- Biscuit interval changed to 1.5 minutes.
Rune Specific Substitutions
- Substitutions
- Unsealed Spellbook is exchanged with Prototype: Omnistone.
- Ingenious Hunter is exchanged with Ravenous Hunter.
- Manaflow Band is exchanged with Nullifying Orb.
- Presence of Mind is exchanged with Triumph.
Patch and Buff History
Main article: Patch and Buff History
Trivia
- Ultra Rapid Fire was first introduced for April Fools' Day. To celebrate the 10th Anniversary of League of Legends' release, U.R.F. was brought back as an experiment.[1]
- The mode's name, Ultra Rapid Fire, was likely chosen because its initials spell Urf, Riot's April Fool's mascot.
- The event was meant to end on April 7 on its first year of release, but was extended to April 13 due to the positive feedback.[2] They also disabled the use of more champions.
- "Defeat" used to be replaced with "2nd Place" in the post-game lobby.[3]
- This change was also present in-game when the Nexus was destroyed in early versions of URF, but was removed when Riot updated the game client's announcement assets.
- ARURF was around 20-25% of hours by the end of the last long run.[4]
- The icon for the in-game Awesome Buff of Awesomely Awesome Buffing is edited from Urf's appearance in the Welcome to Planet Urf login screen.
- The old icon for the buff might have been reused from another buff or effect icon.
- The
- Nexus Blitz, another featured game mode, borrows the Awesome Buff of Awesomely Awesome Buffing and the URF mode's namesake in its URF Deathmate event.
- In the 2014 version, a champion must have had sufficient maximum mana in order to activate the ability. Realistically, only pre-rework Swain's Ravenous Flock was affected and the ability would toggle-off once the cost scaled beyond Swain's maximum mana. As of 2015, ability mana costs are now completely removed.
- In the 2015 version, the exact numbers of damage received in the Death Recap was replaced "TONS", referencing David 'Phreak' Turley's catchphrase in Champion Spotlights as well as the meme around it. The percentages were still visible, though.[5]
- For example: Javelin Toss: TONS (93%) Magic Damage; Swipe: TONS (7%) Magic Damage
- For example:
- In 2019, URF was confirmed to be coming back with all champions available on October 28th through November 8th for the 10th Anniversary Event.[6]
- This was also the first time in over 4 years in which pick-based URF made its return.
- Prior to the 2020 version, Mana was not considered to be expended for the purposes of Eternity (i.e. you do not restore health), but was for the purposes of Mana Charge (i.e. you can increase your maximum mana for Manamune or Archangel's Staff.
- Seraph's Embrace's Mana Shield does not grant any shield. This is likely a bug caused by the fact no mana is consumed, and so none is converted into a shield.
- In the 2021 version, the new Awesome Buff of Awesomely Awesome Buffing effect of bonus mana regeneration being converted into bonus health regeneration was coincidentally predated by the V4.01 April Fools' Day patch:
- We needed a way to make manaless champion even better in the current meta and this seem like the best way achieve our goal as it opens new build paths that were normally discarded because of the existence of mana regeneration.
- Any excess mana regeneration that is not being used will now be converted to health regeneration for the champion.
- The bottom-two nonsensical 'buffs' and 'sources' in the in-game tooltip for the Awesome Buff of Awesomely Awesome Buffing have made several references to numerous inside jokes, pop culture references and League of Legends features over the years;
- "[Source: Pengu Knight]" references Pengu.
Infernal Drake.
Lee Sin.
Ryze being reworked numerous times as well as the community meme surrounding it. Urgot, an idea considered humorous due to the tonal whiplash between pre-rework 
Urgot's deliberately pudgey, repulsive appearance (and later the dark and grim thematic of post-rework Urgot) and the bright, anime-inspired aesthetic of the Star Guardian line of skins.
Vayne's 
Silver Bolts, 
Press the Attack and 
Guinsoo's Rageblade's Phantom Hit.
Unveiling the future of League of Legends (N.U.R.F.)
By Paul 'Pabro' Bellezza[7]
"What we're calling New Ultra Rapid Fire raises the stakes by delivering a slow, sophisticated, and stoic strategic showcase that tests teams' abilities in new and dynamic ways while not restricting the highest tier of play to those with sub-millisecond response times." Continue reading for more on the most intense gamemode yet: N.U.R.F!
Almost one year ago, we debuted a new way to play League of Legends in a silly, fun game mode that turned competitive balance on its head in celebration of the yearly troll-fest known as April Fools. While we were ultimately kidding, many of our designers saw the opportunity to work on a true evolution of League gameplay inspired by URF. After reviewing player feedback and hammering out brass tacks, we felt confident we created the most refined gameplay experience League has inspired yet, all in time to iterate in preparation of the next competitive season.
What we're calling New Ultra Rapid Fire raises the stakes by delivering a slow, sophisticated, and stoic strategic showcase that tests teams' abilities in new and dynamic ways while not restricting the highest tier of play to those with sub-millisecond response times.
Normally, a League match is a fast-paced slugfest that ranges from top to bottom lane and across Summoner's Rift. We want to broaden the pool of high-level talent to include expert tacticians previously excluded by something so trivial as the necessity of hyper-twitch reflexes.
There's a lot to talk about, but with the entirely accidental leaks of some New Ultra Rapid Fire assets, we thought it'd be better to just show you. Tomorrow, we'll release the proverbial kraken known as New Ultra Rapid Fire to live servers.
Here's a preview of some of the gameplay refinements coming tomorrow night when New Ultra Rapid Fire debuts:
- +100% mana and energy cost on all abilities
- +200% cooldown inflation on abilities, items and summoner spells
- +225 movement speed reduction
- +200% delay between basic attacks
- Critical strikes deal 50% of base AD
- Units critically strike on 150% of attacks
- Abilities - 100% increased for Mana and Energy consumption.
- Cooldown reduction - 200% Cooldown Inflation on abilities, activated items, and summoner spells.
- Tenacity - 50% increased crowd control duration (excluding airborne and suppression).
- Movement speed - 225 Movement Speed Reduction.
- Attack speed - 200% delay increase on basic attacks.
- Critical strike - Critical strikes are modified to deal 50% AD and all champions have 150% critical strike chance.
Will the upper limit of the potential for human competition skyrocket with the introduction of New Ultra Rapid Fire? Can you rise to the resulting challenge? Can a mere man defeat a manatee? When it comes to League of Legends, that last answer is indubitably yes, but no matter. The gauntlet is thrown. Hoist it at thine own risk.""
BY L4T3NCY "Heya guys,
I want to jump in an give a little more design context as to why we moved in the direction we did for New Ultra Rapid Fire this year. We've always mentioned that we want to "improve and innovate" on each mode before it comes back, not just release the same thing. There will always be things that could have been done better, and this way we can tweak and improve them to provide a better experience than the 1st time around.
We heard you guys loud and clear that you didn't want Ultra Rapid Fire on Howling Abyss, so we've kept New Ultra Rapid Fire on Summoner's Rift. SR has more strategic choice designed into it anyway, which is given even more importance in NURF mode.
Positioning in team fights, choosing when to go for objectives (if at all) and minion wave management is crucial. NURF mode punishes mistakes pretty hard (which conveniently ends games quickly and prevents them from dragging on too long). Your League play is going to level up."Media
- Related Music
Game Mode Music
| In-Queue |
| Champion Select |
U.R.F. 2014 - Login Screen
League of Legends Music Challengers
League of Legends Soundtrack: Vol.1
- Related Videos
A Gentleman's Guide to New Ultra Rapid Fire
The 2015 URFitational Grand Finals
2014 U.R.F. Crest
.jpg "Urf Mode (picture).jpg (767 KB)")
U.R.F. mode (Illustration)
Awesome Buff of Awesomely Awesome Buffing
New Ultra Rapid Fire (N.U.R.F.) teaser snapshot
2015 U.R.F. Crest
Strategic Buff of Strategistic Strategy
Ultra Rapid Fire background
Urf 2019 Concept 1 (by Riot Artist Grace Liu)
Urf 2019 Concept 2 (by Riot Artist Grace Liu)
Urf 2019 Model (by Riot Artist Grace Liu)
Main article: Summoner icon
U.R.F. 2014
Heartsplosion
Orbital Laser
Spooky Urf
The Thinking Manatee
Golden Spatula
References
Game Modes
| Matchmade PVP | |
|---|---|
| Custom |
|
| Co-op vs. AI |
|
| Training |
|
| Rotating Game Modes |
|
| Draft types |
|
| Retired / Cancelled |
|
