Abyss vs Gohma: who would win?

Too close to call

Abyss · Berserk · Base

Tier
HIGH 7-A, up to HIGH 6-A
Attack Potency
Large Mountain Level, up to Multi-Continent Level
Speed
Massively Hypersonic+
Durability
Large Mountain Level

Gohma · The Legend of Zelda · Twilight Princess

Tier
HIGH 7-A, up to 6-C
Attack Potency
Large Mountain Level, up to Island Level+
Speed
Massively Hypersonic+, up to Relativistic
Durability
Large Mountain Level, up to Island Level+

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