Black Pearl inherits much of Pearl's design, with 4 arms and an extra set of eyes. (S)he has Obsidian's tone of skin and is less muscular than obsidian. His/Her outfit consists of a gray, sleeveless jumpsuit with fingerless gloves going up to His/Her elbows with stars on the back of His/Her hands.
Being a gem, (S)he have all the abilities that come with such.
-Enhanced Strength, Due to both Obsidian's Strength and the added strength coming from fusion, Black Pearl is exceptionally strong, rivaling a tri-gem fusion such as Sardonyx.
-Scythe Combat Skill, Black Pearl has been shown to be extremely skilled with scythes.