Kamen Rider V3 vs Lampreys: who would win?

Lampreys favored — Slight edge (~55%)

Kamen Rider V3 · Kamen Rider · Skyrider, Super-1 & ZX

Tier

1-C

Attack Potency

Multi-City Block Level, up to Complex Multiverse Level

Speed

High Hypersonic, up to Ftl+

Durability

Complex Multiverse Level

Lampreys · Doctor Who · Base

Tier

LOW 1-C

Attack Potency

Low Complex Multiverse Level

Speed

Omnipresent

Durability

Low Complex Multiverse Level

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