Boba Fett vs Abby: who would win?

Abby favored — Favored (~65%)

Boba Fett · Star Wars · Base

Tier
7-B
Attack Potency
City Level+
Speed
Peak Human, up to Speed Of Light
Durability
Wall Level, up to City Level+

Abby · Wuthering Waves · Base

Tier
7-B, up to 5-A
Attack Potency
City Level, up to Large Planet Level
Speed
Sub-Relativistic+
Durability
City Level, up to Large Planet Level

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