Leonardo da Vinci (Assassin's Creed) vs Lucia (Toaru): who would win?

Lucia (Toaru) favored — Slight edge (~55%)

Leonardo da Vinci (Assassin's Creed) · Assassin's Creed · Base

Tier

10-B, up to 8-C

Attack Potency

Human Level, up to Building Level+

Speed

Average Human, up to Supersonic

Durability

Small Building Level+

Lucia (Toaru) · Toaru Majutsu no Index · Base

Tier

9-C

Attack Potency

Street Level

Speed

Average Human

Durability

Street Level

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