Hinata Sakaguchi (Light Novel) vs Leo Regulus: who would win?

Leo Regulus favored — Slight edge (~55%)

Hinata Sakaguchi (Light Novel) · Tensei Shitara Slime Datta Ken · Saint in Transition

Tier

LOW 2-C, up to 1-C

Attack Potency

Universe Level+, up to Complex Multiverse Level

Speed

Massively Hypersonic, up to Speed Of Light

Durability

Universe Level+

Leo Regulus · Saint Seiya · Facing Rhadamanthys

Tier

LOW 2-C

Attack Potency

Universe Level+

Speed

Speed Of Light

Durability

Universe Level+

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