Ghost Girl's Alley vs The Dunwich Horror: who would win?

Ghost Girl's Alley favored — Slight edge (~55%)

Ghost Girl's Alley · JoJo's Bizarre Adventure · Base

Tier

HIGH 8-C

Attack Potency

Large Building Level

Speed

Relativistic

Durability

Unknown

The Dunwich Horror · Cthulhu Mythos · Base

Tier

HIGH 8-C

Attack Potency

Large Building Level

Speed

Superhuman

Durability

Unknown

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