Ice Comet Vault
Created by: Shadowmech88
Adds the Celtic crown, which grants the wearer cold immunity as well as making frost golems friendly toward him.
Adds frost golems, which drop your temperature when they deal damage to you.
Adds frost knights, which hit harder than frost golems and drop your temperature more.
Adds frost wizards, which fire a ranged attack that drops your temperature.
Adds decoy simple_animal/hostile
mobs, which delete themselves and spawn a given atom type upon being aggro'd.
Adds ice turfs. Currently purely cosmetic.
Adds indestructable ice walls.
Adds icicle doors.
Adds the Ice Comet vault, containing two frost golems in the main hallway, as well as four frost knights and two frost wizards in the second chamber, disguised as snowmen. A Celtic crown can be found in the second chamber.
Credit to @Nienhaus for all of the ice and frost-related sprites I used.