Leo Valdez vs Aizono Mio: who would win?

Too close to call

Leo Valdez · Percy Jackson · The Lost Hero

Tier

9-C, up to 9-B

Attack Potency

Street Level, up to Wall Level

Speed

Transonic

Durability

Street Level

Aizono Mio · Toaru Majutsu no Index · Base

Tier

9-C, up to 8-C

Attack Potency

Street Level, up to Building Level

Speed

Transonic

Durability

Street Level, up to Building Level

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