Lucifer Morningstar (Hazbin Hotel) vs Idea of Evil: who would win?

Lucifer Morningstar (Hazbin Hotel) favored — Slight edge (~55%)

Lucifer Morningstar (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 Ftl
Durability
Small Planet Level, up to Planet Level+

Idea of Evil · Berserk · Base

Tier
LOW 5-B
Attack Potency
Small Planet Level
Speed
Massively Hypersonic, up to Omnipresent
Durability
Large Mountain Level

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