Hero (Dragon Quest I) vs Greybeards: who would win?

Too close to call

Hero (Dragon Quest I) · Dragon Quest · Base

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

Greybeards · The Elder Scrolls · 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.