Flying Monkey vs Spiker: who would win?

Flying Monkey favored — Slight edge (~55%)

Flying Monkey · Dungeons & Dragons · Base

Tier

10-C, up to 9-B

Attack Potency

Below Average Human Level, up to Wall Level

Speed

Below Average Human, up to Subsonic

Durability

Below Average Human Level, up to Wall Level

Spiker · Warhammer 40,000 · Base

Tier

10-C

Attack Potency

Below Average Human Level

Speed

Immobile

Durability

Human Level

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