MetalGarurumon vs Alice Anotherbible: who would win?

Too close to call

MetalGarurumon · Digimon · Base

Tier

9-B, up to 1-C

Attack Potency

Wall Level, up to Complex Multiverse Level

Speed

Massively Hypersonic+, up to Immeasurable

Durability

Wall Level, up to Complex Multiverse Level

Alice Anotherbible · Toaru Majutsu no Index · Base

Tier

9-B, up to HIGH 1-C

Attack Potency

Wall Level, up to High Complex Multiverse Level

Speed

Sub-Relativistic, up to Massively Ftl+

Durability

Wall Level, up to Planet Level

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