Phantom Ganon (Hyrule Warriors) vs Hero (Dragon Quest I): who would win?

Too close to call

Phantom Ganon (Hyrule Warriors) · The Legend of Zelda · Base

Tier
HIGH 6-A
Attack Potency
Multi-Continent Level
Speed
Massively Hypersonic+, up to Relativistic
Durability
Multi-Continent Level

Hero (Dragon Quest I) · Dragon Quest · Base

Tier
HIGH 6-A
Attack Potency
Multi-Continent Level
Speed
Massively Hypersonic+
Durability
Multi-Continent Level

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