Stoneborn vs Vi: who would win?

Stoneborn favored — Slight edge (~55%)

Stoneborn · Fire Emblem · Base

Tier

7-B

Attack Potency

City Level

Speed

Massively Hypersonic

Durability

City Level

Vi · League of Legends · Warring Kingdoms

Tier

7-B, up to 7-A

Attack Potency

City Level, up to Mountain Level

Speed

Subsonic

Durability

City Level, up to Mountain Level

A heuristic estimate from normalized VS Battles Wiki stats: tier, attack potency, speed and durability.