Findorr Calius vs Yinlin: who would win?

Yinlin favored — Slight edge (~55%)

Findorr Calius · Bleach · Base

Tier
7-B, up to 6-B
Attack Potency
City Level, up to Country Level
Speed
High Hypersonic
Durability
City Level, up to Country Level

Yinlin · Wuthering Waves · Base

Tier
7-B
Attack Potency
City Level
Speed
Massively Hypersonic+
Durability
City Level

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