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This topic is considered non-canon because it is from a non-canon installment.
Diaman is a humanoid creature that lived in the depths of Ninjago. He is apparently evil, as Wu sought him in order to challenge and defeat him.
- Stone Cold (non-canon)
- His name is based on the word "diamond."
- He has a unique Ninja hood piece, an ice version of the ZX Ninja armor, Ninja robe, and a unique belt.