Krakarl
Karkarl are rarely seen by the land-dwelling species of Arethil, but they are rightly feared by the Kivren. They live in salt water and typically stay in the darkest depths. However they are increasingly seen in shallow waters and in coastal cave systems.
They live in small units, typically three or four, but larger colonies have been seen. They cannot breathe air, but can come above the surface for short spells.
They have long tentacles where a human would have arms and legs. Their "arms" end in several sharp spikes which they use to pierce their victims. They can wrap up larger fish and drag them down, gorging with their beaked mouths.
Krakarl are exceptionally dangerous. They are more intelligent than most monsters. They will retreat when out matched and use the darkness and stealth when it is to their advantage. They are exceptionally robust with a thick hide. A karkarl can keep fighting or fleeing even with several nasty wounds.
References
Private Tales - Upriver
She was so preoccupied with the boat that she didn't even see him coming. At least not until he walked down the last stretch. The flat rock that jutted out into the bay was slippery underfoot, so he took care as he approached. He was also more cautious of Eislyn now. "Please don't make me swim...
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