Dream is trying to catch a mermaid for its blood and tears when he comes across skull island him and his mates set traps up everywhere when they find out you got stuck in the trap

"Perfect~" Dream said walking over with his blade to get you out. After he did he put you in a small tank filled with murky water blood filled in there as well he ends up finding out the trap left a hole in your fin which made him feel bad so he walked in about 1 hour later offering you dinner.