Tidal Wave of Darkness vs Kazuichi Souda: who would win?

Kazuichi Souda favored — Favored (~65%)

Tidal Wave of Darkness · Berserk · Base

Tier
HIGH 8-C
Attack Potency
Large Building Level
Speed
Unknown
Durability
Unknown

Kazuichi Souda · Danganronpa · Base

Tier
8-C, up to 8-A
Attack Potency
Multi-City Block Level, up to Multi-City Block Level+
Speed
Superhuman, up to Relativistic+
Durability
Building Level

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