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  • Master Yi dances faster the more total movement speed he has.
  • Master Yi's goggles and his sword can both be seen in the game's Mac Version trailer.
  • Master Yi and PantheonSquare Pantheon are the champions with the highest base movement speed in-game (355).
  • Master Yi's current dance references the "Running Man" dance, while his prior dance before his visual update was a reference to the dance segment in Napoleon Dynamite (also shared with KatarinaSquare Katarina).
    • A side-by-side comparison can be seen here, which references the version done by Dee Dee from Dexter's Laboratory.
    • The more movement speed he has, the faster he dances.
  • 易 means "change" & "easy(-ness)" in Chinese, from two different Sino-Tibetan roots: *laay > Old Chinese *lek "to exchange"[1]; & *lway > Old Chinese *lekh "easy"[2]
    • Due to Japanese folk etymology of loaned Chinese compound verb 卜易 "to divine change", 易 also means "divination" in Japanese.
    • Also a pun on mastery.
  • Master Yi's title in the Chinese localization also dubs him as a "Sword Saint", a title given to most master swordmen in history such as Miyamoto Musashi.
  • Wuju Style Wuju Style was named after two Riot Games Inc. employees (Andy Woo and Jeff Jew).
    • In the Chinese localization, it is instead named as "Wuji" (無極, lit. Extremeless/Apolar/Infinite). Wuji is also represented by an empty circle atop the Taijitu (太極圖 lit. Great Poles' Chart), which includes the well-known Yin and Yang . His Wuju Style Wuju Style ability in Chinese is also dubbed as "Wuji Jiandao" (無極劍道, lit. Extremeless Sword Path), "jiandao" is also the pinyin reading of Japanese kendou.
  • Highlander Highlander was named after as well as references the eponymous franchise, with its cooldown reset mechanic possibly referencing the "quickening" effect.


Master YiSquare Classic Master Yi [S|L]
  • He shares quotes with:
  • "The goggles? Just for reading!" and "I will take an eye... as if I don't have enough already" poke fun at how such a ridiculously complex device doesn't have any special use for him whatsoever.
  • "The key to immortality? Not dying" references Highlander.
  • One of his jokes via the Brazilian localization references Woody Woodpecker.
Master YiSquare PROJECT: Yi [S|L]
  • "Progress requires only a blade... that produces more blades." is the counterpart to his regular goggles jokes (how many blades can protrude from his sword for every time he uses Highlander Highlander)
  • "Those Master YiSquare goggles are absurd" references his own goggles jokes.
    • He is the third champion to interact with himself (the others being DravenSquare Draven and TrundleSquare Trundle).


Master YiSquare Classic Master Yi [S|L]
  • He resembles Sam Fisher from Tom Clancy's Splinter Cell.
  • His sword is modeled after a ringed-Dao.
  • He has three different running animations.
  • A strange occurrence between all his skins is that whenever Yi basic attacks a target at the start of a match, he will repeat his outward slashing animation twice for the first two basic attacks.
Master YiSquare Assassin Master Yi [S|L]
  • He, AlistarSquare Golden Alistar [S|L], and VeigarSquare White Mage Veigar [S|L] are the only skins priced at RP icon 390, making them the cheapest ones in-game.
  • The prior version of this skin before his visual upgrade was a mere black-and-white re-coloring of his original skin.
Master YiSquare Chosen Master Yi [S|L]
  • He references the Jedi Order from Star Wars.
  • He shares this theme with JayceSquare Forsaken Jayce [S|L].
    • Both of them went of sale on 4-May-2015 (Star Wars Day) and were 54% off (May the fourth be with you).
  • Wuju Style Wuju Style's states change his lightsaber's color:
    • On cooldown/not-learned: blue.
    • Off cooldown: green.
    • Active: red.
Master YiSquare Ionia Master Yi [S|L]
  • His outfit resembles IreliaSquare Irelia's (might be indicating this is him as a member of the Ionian guard).
  • The Ionian crest can be seen on his robes' tail.
Master YiSquare Samurai Master Yi [S|L]
Master YiSquare Headhunter Master Yi [S|L]
  • He references the Yautja from Predator.
  • His helmet and his goggles resemble Hotsuma's from Shinobi.
  • He shares this theme with AkaliSquare Headhunter Akali [S|L], CaitlynSquare Headhunter Caitlyn [S|L], NidaleeSquare Headhunter Nidalee [S|L], RengarSquare Headhunter Rengar [S|L].
  • The original version of this skin prior to his visual upgrade had notable oddities, such as his blade being held the opposite way, and closer inspection of his Alpha Strike Alpha Strike animation showed Yi leaving afterimages of one of his auto-attack animations (shown as rapidly performing his auto-attack animations at fast speed instead with a 3D model viewer). These issues were fixed for the visual-updated version.
Master YiSquare PROJECT: Yi [S|L]
Master YiSquare Cosmic Blade Master Yi [S|L]
Master YiSquare Eternal Sword Yi [S|L]
  • This is the first skin where we can see his face.
  • He is part of the Immortal Journey.
  • Master Yi in this skin has two different high-movement speed animations: one with his Highlander Highlander active where he will glide forward through the air, and one with a normal high-speed boost (such as from the base fountain) where he will surf on top of his sword instead.



  1. Schuessler, A. ABC Etymological Dictionary of Old Chinese, p. 566
  2. Schuessler., p. 569