Armor Costume

Costumes can be obtained from the in-game Cash Shop . They are character-bound after the first use , but can be sold if they are unused . Costumes can also be claimed trough the Trade Broker . Costumes change only the appearence of your Characters gear , so you can adapt the appearance of your character like you wish , BUT Costumes wont affect your Stats. There are plenty of costumes available in the world of Aborea :

Halloween Costumes

Devlish Succubus Costumes ( Female only )

1/5

Titan Force Costumes ( Male only )

1/6

Witch Costume ( Elin only )

1/1

Steampunk Costumes

Schoolgirl Uniforms

1/4

Swimsuits 2013

1/10

Pirate Costumes

Shimmering Cloth/Leather/Metal Skin

Cat Costume

  

Swimsuits

Snowsuits

Black Magic 

Kill BAM!

Maid Costumes

References

http://tera.enmasse.com/game-guide/store-items/costumes

http://tera.enmasse.com/game-guide/store-items/loot-boxes

Weekend Sale on Swimsuits

http://tera.enmasse.com/game-guide/store-items/costumes#maid-to-work