Yuga vs Adam (Hazbin Hotel): who would win?

Yuga favored — Slight edge (~55%)

Yuga · The Legend of Zelda · Yuga Ganon W/Triforce of Power and Wisdom

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

Adam (Hazbin Hotel) · Hazbin Hotel · Base

Tier
LOW 5-B, up to 5-B
Attack Potency
Small Planet Level, up to Planet Level+
Speed
Supersonic, up to Supersonic+
Durability
Small Planet Level, up to Planet Level+

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