Red Stone Online

Red Stone Online is a PC MMORPG developed and published by L&K Co., Ltd. Its combat uses Charge Points (CP) instead of MP or mana. Successful attacks and charging actions build CP, while powerful skills consume it, making resource management part of each battle. Transformations let characters switch classes, weapons, and combat roles to adapt to different situations. The Korean service supports Windows and Korean and is rated for ages 12 and up. Its Korean release date is January 8, 2004. The English-language Steam version was released on April 16, 2015.