Kamen Rider Ixa vs Killer (Edens Zero): who would win?

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

Kamen Rider Ixa · Kamen Rider · Kamen Rider Ixa (Rising)

Tier

5-A, up to HIGH 5-A

Attack Potency

Large Planet Level, up to Brown Dwarf Level

Speed

Sub-Relativistic

Durability

Large Planet Level, up to Brown Dwarf Level

Killer (Edens Zero) · Edens Zero · Base

Tier

5-A

Attack Potency

Large Planet Level

Speed

High Hypersonic, up to Massively Hypersonic+

Durability

Large Planet Level

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