|Hoan kiem turtle|
|Species||Hoan kiem turtle|
|First appearance||The Return of Tsul 'Kalu|
Hoan kiem turtle is a turtle cryptid. It made its first and only appearance in The Return of Tsul 'Kalu.
The Hoan Kiem turtle is said to be a large turtle species seen in southeast Asia. Nowadays, The hoan kiem turtle is supposed to be an extinct species of soft-shelled turtle. This is also said to be a strong cousin to China's extremely endangered soft-shelled turtle. The one seen in the episode must have been a hatchling.