Agitated buff Agitated

If ViSquare Vi or JinxSquare Jinx perform one of their special taunts toward CaitlynSquare Caitlyn, Caitlyn receives the debuff Agitated buff Agitated. This debuff lasts until Caitlyn damages the source or dies.

  • ViSquare Vi: "Agitated: How agitating."
  • JinxSquare Jinx: "Agitated: And you thought Vi was obnoxious."

Catch me if you can! buff Catch me if you can!

Whenever JinxSquare Jinx is on an opposing team to CaitlynSquare Caitlyn and/or ViSquare Vi, they each gain a debuff titled, Catch me if you can! buff Catch me if you can!

  • JinxSquare Jinx's debuff states "Cait and Vi are chasing you. How fun! Cops Outsmarted: X" followed by her total number of Caitlyn/Vi kills/assists.
  • CaitlynSquare Caitlyn and ViSquare Vi's debuff states "Jinx is causing chaos again. How obnoxious... Criminals Apprehended: X" followed by their Jinx kills/assists.

Additionally, Jinx gains Gold 1 for each cop she outsmarts; and Caitlyn and Vi gain Gold 1 for each criminal they apprehend. Assists count.

Damnation Damnation

NunuSquare Nunu and Consume Willump will drop Damnation one soul each, for a total of two souls![1]

While similar, SejuaniSquare Sejuani and Arctic Assault Bristle only drop one soul between them. This had led to a joke among the community that Sejuani has ginger hair in reference to the internet meme that gingers have no soul.[2]

Eureka! buff Eureka!

Scoring a Pentakill will grant HeimerdingerSquare Heimerdinger the buff, Eureka! buff Eureka!, which rejoices his successful "correction" of his opponents' living status. This is purely cosmetic.

Good Enough To Eat

When Chum the Waters Chum the Waters scores the killing blow on a small champion, Chompers will eat the body - hiding the corpse that champion would usually leave on the ground. [3]

This has been confirmed to affect: AnnieSquare Annie, AmumuSquare Amumu, an enemy FizzSquare Fizz, KennenSquare Kennen, LuluSquare Lulu, PoppySquare Poppy, TristanaSquare Tristana, VeigarSquare Veigar and ZiggsSquare Ziggs. However, it does not seem to affect HeimerdingerSquare Heimerdinger, TeemoSquare Teemo or RumbleSquare Rumble.

Harder, Better, Faster, Stronger

Activating UPGRADE!!! UPGRADE!!! will give HeimerdingerSquare Heimerdinger a buff and the tooltip reads "Harder, Better, Faster, Stronger". This is a reference to a Daft Punk song by the same name.[4]

Inverse Ninja Strength

Ninjas are more effective when they work alone. For every Ninja on your team beyond yourself, you lose 1 health.[5]

This is only true for champions who have the Ninja buff "This unit is a flippin' ninja!" cosmetic buff. Other champions with ninja skins, such as Rammus NinjaCircle Ninja Rammus [S|L], do not count.

On The Prowl

NidaleeSquare Nidalee used to feature a hidden passive prior to her rework that granted her the power of a "cougar". Nearby allied champions gained +5 experience every 5 seconds if they had lower level than Nidalee.[6]

On the Case buff Piltover's Finest

If CaitlynSquare Caitlyn and ViSquare Vi are on the same team, they each receive the cosmetic buff On the Case buff On the Case ("Piltover's Finest") Whenever they work together to score a kill, they will each receive Gold 1.

They also share a selection of special taunts.

Plants vs. Zombies

In reference to the popular game Plants vs. Zombies, ZyraSquare Zyra and SionSquare Sion / KarthusSquare Karthus each gain Gold 2 when they kill one another.

Protection From Sunlight

LeonaSquare Leona's Sunlight Sunlight deals 1 less damage (before magic resistance) to champions wearing sunglasses. This has been officially stated in-game as a Did you know? trivia fact.

This includes all Commando skins, Singed SurferCircle Surfer Singed [S|L], Vayne OriginalCircle Classic Vayne [S|L] and Vayne AristocratCircle Aristocrat Vayne [S|L], Twitch VandalCircle Vandal Twitch [S|L], Gragas VandalCircle Vandal Gragas [S|L], Caitlyn SafariCircle Safari Caitlyn [S|L] and Caitlyn OfficerCircle Officer Caitlyn [S|L], Lee Sin DragonFistCircle Dragon Fist Lee Sin [S|L], Dr. Mundo CorporateMundoCircle Corporate Mundo [S|L], Graves HiredGunCircle Hired Gun Graves [S|L] and Graves RiotCircle Riot Graves [S|L].

Contrary to popular belief, Sunlight does not deal 1 less damage to Vi NeonStrikeCircle Neon Strike Vi [S|L].

Rise of the Thorns

In addition to her interaction with Sion, ZyraSquare Zyra features another 2 hidden passives that reference her plant-like nature:[7]

  • When hit by LeonaSquare Leona's Sunlight Sunlight passive, ZyraSquare Zyra's character model grows slightly, as do her plants.
  • When MaokaiSquare Maokai is very close to ZyraSquare Zyra, he gains 1 movement speed.

Volibear vs. Zilean

VolibearSquare Volibear and ZileanSquare Zilean share a rivalry, stemming from Tom 'Zileas' Cadwells' opposition to an armored bear champion on the forums. They each gain a passive buff when they are on opposing teams:

Chronokeeper Hater
Chronokeeper Hater buff

Not even Zilean could keep an armored bear out of the League of Legends.

Volibear also receives extra Gold 11 from killing ZileanSquare Zilean.

Armored Bear Hater
Armored Bear Hater buff

In my day, we would never have allowed an armored bear into the League of Legends.

Zilean also receives extra Gold 10 from killing VolibearSquare Volibear.

Removed content

Pirates vs. Ninjas

The pirate and ninja champions of the League start the game with a cosmetic buff informing you of their position. There is no requirement to obtain this buff other than playing one of the below-listed champions: