Goryou Maya vs Karl Heisenberg: who would win?

Too close to call

Goryou Maya · Toaru Majutsu no Index · Giant Form

Tier: 8-C
Attack Potency: Building Level
Speed: Subsonic
Durability: Building Level

Karl Heisenberg · Resident Evil · Base

Tier: 8-C
Attack Potency: Building Level
Speed: Subsonic
Durability: Building Level

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