Zodiark vs Zero (Web Novel): who would win?

Too close to call

Zodiark · Final Fantasy · Adult

Tier

3-A, up to LOW 2-C

Attack Potency

Universe Level, up to Universe Level+

Speed

Sub-Relativistic

Durability

Universe Level

Zero (Web Novel) · Tensei Shitara Slime Datta Ken · Fused with Ramaris' Labyrinth

Tier

3-A

Attack Potency

Universe Level

Speed

Ftl

Durability

Universe Level

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