Masher vs Ashborn: who would win?

Ashborn favored — Slight edge (~55%)

Masher · Kirby · Masher

Tier
LOW 6-B
Attack Potency
Small Country Level
Speed
High Hypersonic
Durability
Small Country Level

Ashborn · Solo Leveling · Base

Tier
LOW 6-B
Attack Potency
Small Country Level
Speed
Speed Of Light
Durability
Small Country Level

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