Ghast vs Alice Anotherbible: who would win?

Alice Anotherbible favored — Slight edge (~55%)

Ghast · Minecraft · Base

Tier

9-B, up to 8-C

Attack Potency

Wall Level, up to Building Level

Speed

Average Human, up to Subsonic

Durability

Small Building 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.