Another Zi-O vs Beyond: who would win?

Beyond favored — Slight edge (~55%)

Another Zi-O · Kamen Rider · Another Zi-O

Tier

1-A

Attack Potency

Outerverse Level

Speed

Immeasurable

Durability

Outerverse Level

Beyond · JoJo's Bizarre Adventure · Base

Tier

1-A

Attack Potency

Outerverse Level

Speed

Omnipresent

Durability

Outerverse Level

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