Emerl vs Aventurine: who would win?

Emerl favored — Slight edge (~55%)

Emerl · Sonic · Ultimate Emerl

Tier

3-C

Attack Potency

Galaxy Level

Speed

Massively Ftl+

Durability

Galaxy Level, up to Complex Multiverse Level

Aventurine · Honkai: Star Rail · Aventurine of Stratagems

Tier

3-C, up to 2-A

Attack Potency

Galaxy Level, up to Multiverse Level+

Speed

Ftl, up to Infinite

Durability

Galaxy Level

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