Luke Skywalker (Legends) vs Kiran (Fire Emblem): who would win?

Luke Skywalker (Legends) favored — Slight edge (~55%)

Luke Skywalker (Legends) · Star Wars · Fate of the Jedi

Tier

1-C, up to 1-A

Attack Potency

Complex Multiverse Level, up to Outerverse Level

Speed

Relativistic, up to Immeasurable

Durability

Street Level, up to Outerverse Level

Kiran (Fire Emblem) · Fire Emblem · Book I

Tier

1-C

Attack Potency

Complex Multiverse Level

Speed

Superhuman, up to Massively Hypersonic+

Durability

Unknown

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