Noro vs Stagshroom: who would win?

Noro favored — Slight edge (~55%)

Noro · Tokyo Ghoul · Base

Tier
LOW 7-C
Attack Potency
Small Town Level
Speed
Massively Hypersonic, up to Massively Hypersonic+
Durability
Multi-City Block Level+, up to Small Town Level

Stagshroom · Godzilla · Base

Tier
LOW 7-C
Attack Potency
Small Town Level
Speed
Superhuman
Durability
Small Town Level

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