Golden-Skinned Being vs Fulmas II: who would win?

Fulmas II favored — Slight edge (~55%)

Golden-Skinned Being · Bionicle · Base

Tier: 5-B
Attack Potency: Planet Level
Speed: Massively Hypersonic+, up to Relativistic
Durability: Unknown

Fulmas II · Ben 10 · Base

Tier: 5-B
Attack Potency: Planet Level
Speed: Massively Ftl
Durability: Unknown

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