Rebellion (Undead Unluck) vs "Dread Emperor" Ganishka: who would win?

Rebellion (Undead Unluck) favored — Favored (~65%)

Rebellion (Undead Unluck) · Undead Unluck · Base

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

"Dread Emperor" Ganishka · Berserk · Shiva Form

Tier
HIGH 7-A
Attack Potency
Multi-City Block Level
Speed
Subsonic, up to Subsonic+
Durability
Large Mountain Level

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