Black Corundun! This is a rejected Gem made to protect White Sapphires. When White Sapphires were called to be shattered, so did Corundums for resources. This Corundum was used to ridicule due to her Gem placement, making her unable to have a second arm so when she found out she would be shattered, she just gave up hope. That was until a White Sapphire managed to escape the Diamonds, Corundum fleading close behind in curiosity. The two ended up accidentally fusing when Corundum fell onto Sapphir