Benjamin (Final Fantasy) vs Spoil: who would win?

Spoil favored — Slight edge (~55%)

Benjamin (Final Fantasy) · Final Fantasy · Base

Tier
7-A
Attack Potency
Mountain Level
Speed
Average Human, up to Massively Hypersonic
Durability
Mountain Level

Spoil · Undead Unluck · First Phase - Second Phase

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

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