Yotsuyu Yagiyama vs Bjorn: who would win?

Yotsuyu Yagiyama favored — Favored (~65%)

Yotsuyu Yagiyama · JoJo's Bizarre Adventure · Base

Tier

10-A, up to 8-C

Attack Potency

Building Level

Speed

Subsonic, up to Relativistic+

Durability

Building Level

Bjorn · Vinland Saga · Base

Tier

9-C, up to 9-B

Attack Potency

Street Level, up to Wall Level

Speed

Unknown

Durability

Street Level, up to Wall Level

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