Arale Norimaki vs Ruminas Valentine (Light Novel): who would win?

Too close to call

Arale Norimaki · Dragon Ball · Early Dr. Slump

Tier

1-C

Attack Potency

Complex Multiverse Level

Speed

Massively Ftl+

Durability

Multi-Solar System Level, up to Universe Level+

Ruminas Valentine (Light Novel) · Tensei Shitara Slime Datta Ken · With Ultimate Skill

Tier

1-C

Attack Potency

Complex Multiverse Level

Speed

Relativistic+, up to Speed Of Light

Durability

Low Complex Multiverse Level

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