Dreyfus vs Mifune: who would win?

Too close to call

Dreyfus · Nanatsu no Taizai · Base

Tier

HIGH 7-A, up to 4-B

Attack Potency

Large Mountain Level, up to Solar System Level

Speed

Sub-Relativistic

Durability

Large Mountain Level

Mifune · Naruto · Base

Tier

HIGH 7-A, up to 6-B

Attack Potency

Large Mountain Level, up to Country Level

Speed

Sub-Relativistic, up to Speed Of Light

Durability

Large Mountain Level, up to Country Level

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