Grayroad vs Kamen Rider Vulcan: who would win?

Grayroad favored — Favored (~65%)

Grayroad · Nanatsu no Taizai · Base

Tier

6-C, up to 4-B

Attack Potency

Solar System Level

Speed

Sub-Relativistic

Durability

Island Level

Kamen Rider Vulcan · Kamen Rider · Ark Raising Arc

Tier

HIGH 6-C, up to LOW 6-B

Attack Potency

Large Island Level, up to Small Country Level

Speed

Athletic Human, up to Ftl+

Durability

Large Island Level, up to Small Country Level

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