Brain (Zero) vs Copper Demon: who would win?

Too close to call

Brain (Zero) · Fairy Tail · Zero

Tier

6-C

Attack Potency

Island Level

Speed

Sub-Relativistic

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.