Quick answers
Who counters Master Yi in Wild Rift?
In the matchup data documented in Rift Lab, these are the harder matchups for Master Yi: Rammus (Jungle), Janna (Support), Lulu (Support), Leona (Support), Nautilus (Support), Amumu (Jungle), Vi (Jungle), Pantheon (Jungle). This is a documented matchup list, not a win rate: TheNexus does not publish win-rate or pick-rate figures it cannot source.
How do you play against Master Yi in Wild Rift?
Riot's ability text for Master Yi describes a dash, leap or blink in Alpha Strike (ability 1). Plan around those abilities before a trade or a fight. These notes are keyword matches over the ability text only, not a rating of how strong Master Yi is, so read the full descriptions on this page.
What is the best build for Master Yi in Wild Rift?
The Nexus-reviewed core build for Master Yi, in purchase order: Blade of the Ruined King then Guinsoo's Rageblade then Black Cleaver then Berserker's Greaves. Runes: Lethal Tempo, Brutal, Cut Down, Legend: Alacrity, Nimbus Cloak. Situational swaps: against enemy crowd control: Mercurial Scimitar. This is a reviewed snapshot (patch 7.2b), not a build ranked by win rate.
Which lane and role does Master Yi play in Wild Rift?
Master Yi is a Assassin and Fighter by Riot's classification and is played in Jungle. Riot rates the difficulty Low. On our tier-list snapshot (patch 7.2b) it shows A tier from its external source, which is a snapshot letter and not a TheNexus win rate.
Every answer here is built from Rift Lab data and Riot's own ability text. Where the data is missing we say so instead of guessing.