A swamp biome with alligators that have 150 health and do 20 damage and snakes that have 50 health and do 10 damage and leeches that are small and have 5 health and will attack and will stay on your body and you can attack them while they are stuck on you and they will steal 5 of your health and they will spawn alot in the swamp biome and can also spawn in rivers
And the trees in the swamp biome will look different