Red Kaleidoscopic Raiment (often abbreviated as RKal or RKale) was introduced in the Yule ChestChance Chest which runs from Dec. 7th 2013 to Dec. 13th 2013. It is the third Starmetal Armor to be added to the game. It is strong against all elements and weak against other Starmetal Armors.
How To Obtain[]
Fusion: Yes on the EU server, untested on other servers