Zs'Skayr vs Diane: who would win?

Zs'Skayr favored — Slight edge (~55%)

Zs'Skayr · Ben 10 · Alien Force and Omniverse

Tier

4-B

Attack Potency

Solar System Level

Speed

Massively Ftl+

Durability

Solar System Level

Diane · Nanatsu no Taizai · Post-Training

Tier

4-B

Attack Potency

Solar System Level

Speed

Sub-Relativistic, up to Ftl

Durability

Solar System Level

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