Zuko vs Athos: who would win?

Zuko favored — Slight edge (~55%)

Zuko · Avatar: The Last Airbender · Season 3

Tier

LOW 7-C, up to 7-C

Attack Potency

Small Town Level, up to Town Level

Speed

Massively Hypersonic+

Durability

Small Town Level, up to Town Level

Athos · Fire Emblem · Old Athos

Tier

LOW 7-C, up to 7-B

Attack Potency

Small Town Level, up to City Level

Speed

Subsonic, up to Massively Hypersonic

Durability

Small Town Level, up to City Level

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