Kamen Rider Calibur vs Paul Rabin: who would win?

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

Kamen Rider Calibur · Kamen Rider · Pre-Series

Tier

9-B, up to 7-A

Attack Potency

Wall Level, up to Mountain Level

Speed

Massively Hypersonic, up to Massively Hypersonic+

Durability

Wall Level, up to Mountain Level

Paul Rabin · Marvel · Base

Tier

9-B, up to HIGH 8-C

Attack Potency

Wall Level, up to Large Building Level

Speed

Hypersonic

Durability

Wall Level

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