Alastor vs Aida: who would win?

Alastor favored — Slight edge (~55%)

Alastor · Hazbin Hotel · Base

Tier

LOW 7-C

Attack Potency

Small Town Level

Speed

Subsonic, up to Supersonic+

Durability

Building Level, up to City Block Level+

Aida · Marvel · Base

Tier

LOW 7-C

Attack Potency

Small Town Level

Speed

Superhuman, up to Massively Hypersonic+

Durability

Small Building Level

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