In the rich text editor:
[item=3156]
In comments and forums:
[![Cephlo Tail](https://worldofgaia.org/images/data/items/3156-image.png)](https://worldofgaia.org/world/items?name=Cephlo Tail)
The tail turns into octopus tentacles.
Drops from the bosses: Royal Mimic, Kraken