Skeletron Prime vs Black Shadow: who would win?

Too close to call

Skeletron Prime · Terraria · During the Day

Tier

HIGH 5-A

Attack Potency

Brown Dwarf Level

Speed

Subsonic+

Durability

Brown Dwarf Level

Black Shadow · Transformers · Base

Tier

HIGH 5-A

Attack Potency

Brown Dwarf Level

Speed

Subsonic, up to Massively Ftl+

Durability

Brown Dwarf Level

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