>>713605151
You may have had a point if this wasn't a game that already let you capture humans.
The Terraria dungeon is a cave, probably a bigger reason why Harpies that live in Space weren't added.

>>713605262
Green, Blue, Red, Purple, Illuminant and Rainbow Slimes
Cave and Illuminant Bats
Enchanted Sword
Demon Eye
Eye of Cthulhu