Akuma (Street Fighter) vs Copper Demon: who would win?

Copper Demon favored — Slight edge (~55%)

Akuma (Street Fighter) · Street Fighter · Base

Tier

6-C

Attack Potency

Island Level

Speed

High Hypersonic, up to Massively Hypersonic+

Durability

Island Level

Copper Demon · Nanatsu no Taizai · Base

Tier

6-C

Attack Potency

Island Level

Speed

Sub-Relativistic

Durability

Island Level

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