Mothra (MonsterVerse) vs Gravemind: who would win?

Mothra (MonsterVerse) favored — Slight edge (~55%)

Mothra (MonsterVerse) · Godzilla · Imago (The New Empire)

Tier

HIGH 6-B, up to 4-B

Attack Potency

Large Country Level, up to Solar System Level

Speed

Supersonic, up to High Hypersonic+

Durability

Large Country Level, up to Solar System 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.