Sly Marbo vs Bayloupe: who would win?

Bayloupe favored — Favored (~65%)

Sly Marbo · Warhammer 40,000 · Base

Tier

9-C, up to 8-C

Attack Potency

Wall Level, up to Building Level+

Speed

Peak Human, up to Hypersonic

Durability

Street Level

Bayloupe · Toaru Majutsu no Index · Base

Tier

9-C, up to 8-B

Attack Potency

City Block Level

Speed

Peak Human, up to Supersonic

Durability

City Block Level

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