Yellow Diamond vs Breaker One-Nine: who would win?

Too close to call

Yellow Diamond · Steven Universe · Base

Tier

5-C

Attack Potency

Moon Level+

Speed

Relativistic, up to Massively Ftl+

Durability

Moon Level+

Breaker One-Nine · Ben 10 · with L.I.Z.A

Tier

5-C

Attack Potency

Moon Level+

Speed

Relativistic

Durability

Moon Level+

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