Blue Diamond vs Pacifista: who would win?

Too close to call

Blue Diamond · Steven Universe · Base

Tier

5-C

Attack Potency

Moon Level+

Speed

Relativistic, up to Massively Ftl+

Durability

Moon Level+

Pacifista · One Piece · PX·III

Tier

5-C

Attack Potency

Moon Level+

Speed

Relativistic+, up to Speed Of Light

Durability

Moon Level+

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