Asternux

The hole through which they had come out was actually a sort of pond.

The site was a tall dome made of the same abraded material as the submerged pillars. Arches of columns and rock walls surrounded the pond where they swam, and the stairs in front of them were the only way out of this room.

"You, turn the other way," Itziar ordered, throwing daggers with her gaze at the sealhix.

It didn't really understand why, but the beast obeyed orders without complaint.

The three of them swam to shore and dried off before changing. Luckily, they all brought changes of clothes in anticipation of something like this happening.

"Another uniform down, Mrs. Mergot is going to scold us again," Ravin lamented, remembering that when they transformed, their clothes were torn and washed away by the current.