Eldrad Ulthran vs Creation King: who would win?

Eldrad Ulthran favored — Slight edge (~55%)

Eldrad Ulthran · Warhammer 40,000 · In the Eye of Terror

Tier

4-B

Attack Potency

Solar System Level

Speed

Subsonic, up to Hypersonic

Durability

Solar System Level

Creation King · Kamen Rider · Base

Tier

4-B

Attack Potency

Solar System Level

Speed

Immobile, up to Speed Of Light

Durability

Solar System Level

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