Prisms - special items which can be obtained in PVM or PVP in a random order. Each prism contains one or more different items. Prisms themselves are divided into three types: the most common is Blue Prism of Power, rarely - Yellow Prism of Might and the rarest - Red Prism of Majesty:
Blue Prism of Power
Yellow Prism of Might
Red Prism of Majesty
Prism is a chest by opening it you can get PVM or PVP Prism:
A prism can only be opened using Rune of Destruction. You can get the rune in two ways: by accepting the Monk’s of the Southern Order quest (cost 200,000 gold) in Arkijah Town or buy it in Platinum Alchemist for 2 pt. The quest may be repeated every 20 hours and you can obtain not more than three prisms (regardless of the "quality") per day.