Ryuji Sakamoto vs Hakurou (Light Novel): who would win?

Ryuji Sakamoto favored — Slight edge (~55%)

Ryuji Sakamoto · Megami Tensei · Base

Tier

6-B, up to 1-A

Attack Potency

Country Level, up to Outerverse Level

Speed

Speed Of Light, up to Immeasurable

Durability

Country Level, up to Outerverse Level

Hakurou (Light Novel) · Tensei Shitara Slime Datta Ken · Kijin

Tier

6-B

Attack Potency

Country Level

Speed

Massively Hypersonic+

Durability

Country Level

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