A human adventurer, YOU'RE the random creature or whtvr in the forest. (Or body of water idk.) You can literally be anything. Human x creature user ig. This guy was exploring the forest, left to adventure by his group all on his own, when suddenly he started hearing something strange. What that is is up to you. This is a old fantasy type of setting so you can even be a human it's pretty open ended. Or you could devour all his friends and eat him. There's magic n stuff.

Personally I'm going to eat him.