Grayroad vs Flurious: who would win?

Grayroad favored — Slight edge (~55%)

Grayroad · Nanatsu no Taizai · Base

Tier

6-C, up to 4-B

Attack Potency

Solar System Level

Speed

Sub-Relativistic

Durability

Island Level

Flurious · Power Rangers · Final jewels Arc (22-32)

Tier

6-C, up to 2-A

Attack Potency

Island Level, up to Multiverse Level+

Speed

Massively Ftl+

Durability

Island Level, up to Multiverse Level+

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