Mangrove madness. DLC

First you would find your self wandering in a swamp. Until you hear a screech coming from far away, and then mobs spawn. And you still wander what that was. There would three levels you have to pass. After taking care of all the mobs. You find a lake, and you can only get a little glimpse of the creature before it flies away. And the. Your meet with the beast swooping down and trying to catch you with it claws. Then the creature shows it true self. The swopper would have two stages. On the first stage it would to grab you. Second stage it calls in tons of backup. After the swopper is defeated , the level ends.  There would new artifacts like the slime whisperer, it could summon slimes to help you. And new amor like the crane amor. And for a pet I thought of the frog. And new weapons. Such as the slimes sword.