Reptile Realm

The Reptile Realm is a big hardmode realm that can be unlocked by defeating the WOF, and Skeletron Prime. It can only spawn in the clouds or sky islands. You can produce it yourself by using lava seeds on sky islands.

Passive
Mini Dragon

Belcher

Draco

Hostile
Fire-Breather

Gas-Head

Icer

Liquiad

The Mighty Dragon (Boss)

Items
Fire Controller

Lighter

Gaseous Organ

Melter/Freezer/Liquifier (Only one per kill)