Quick answers
Who counters Gragas in Wild Rift?
In the matchup data documented in Rift Lab, these are the harder matchups for Gragas: Lee Sin (Jungle), Kindred (Jungle), Kha'Zix (Jungle), Rengar (Jungle), Vi (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 Gragas in Wild Rift?
Riot's ability text for Gragas describes crowd control (a stun, root, knock-up, pull or similar) in Body Slam (ability 3); a dash, leap or blink in Body Slam (ability 3). 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 Gragas is, so read the full descriptions on this page.
What is the best build for Gragas in Wild Rift?
The Nexus-reviewed core build for Gragas, in purchase order: Lich Bane then Rabadon's Deathcap then Infinity Orb then Boots of Mana. Runes: Phase Rush, Sudden Impact, Chain Assault, Eyeball Collector, Transcendence. Situational swaps: against enemy shields: Oceanid's Trident; against enemy crowd control: Banshee's Veil. This is a reviewed snapshot (patch 7.2b), not a build ranked by win rate.
Which lane and role does Gragas play in Wild Rift?
Gragas is a Tank and Mage by Riot's classification and is played in Jungle. Riot rates the difficulty Medium. 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.