Daikaiju of the Meireki Era vs Gravemind: who would win?

Daikaiju of the Meireki Era favored — Slight edge (~55%)

Daikaiju of the Meireki Era · Kaiju No. 8 · Modern

Tier

HIGH 6-B, up to HIGH 6-A

Attack Potency

Large Country Level, up to Multi-Continent Level

Speed

Speed Of Light, up to Ftl

Durability

Continent Level, up to Multi-Continent Level

Gravemind · Halo · Base

Tier

6-A

Attack Potency

Continent Level

Speed

Unknown

Durability

Large Building Level

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