"Dread Emperor" Ganishka vs Eldes: who would win?

Eldes favored — Favored (~65%)

"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

Eldes · Pokémon · Pokémon Team (Citadark Isle)

Tier
7-A
Attack Potency
Mountain Level+
Speed
Relativistic+
Durability
Mountain Level+

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