Kamen Rider Mach vs Ramiris (Light Novel): who would win?

Kamen Rider Mach favored — Slight edge (~55%)

Kamen Rider Mach · Kamen Rider · Dead Heat Mach

Tier

1-C

Attack Potency

Complex Multiverse Level

Speed

Ftl

Durability

Wall Level

Ramiris (Light Novel) · Tensei Shitara Slime Datta Ken · Pixie Form

Tier

1-C

Attack Potency

Complex Multiverse Level

Speed

Unknown

Durability

Below Average Human Level

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