Gishki Emilia vs Omega (Ninjago): who would win?

Omega (Ninjago) favored — Slight edge (~55%)

Gishki Emilia · Yu-Gi-Oh! · Dance Princess of Nekroz

Tier
HIGH 4-C
Attack Potency
Large Star Level
Speed
Unknown
Durability
Street Level

Omega (Ninjago) · Ninjago · Base

Tier
4-C, up to LOW 1-C
Attack Potency
Star Level, up to Low Complex Multiverse Level
Speed
Ftl, up to Immeasurable
Durability
Star Level

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