Autumn vs Sora (Kingdom Hearts Manga): who would win?

Autumn favored — Slight edge (~55%)

Autumn · Undead Unluck · Base

Tier
7-A
Attack Potency
Mountain Level
Speed
High Hypersonic
Durability
Mountain Level

Sora (Kingdom Hearts Manga) · Kingdom Hearts · Base

Tier
7-A
Attack Potency
Mountain Level
Speed
Superhuman
Durability
Mountain Level

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