Decanee was the primary antagonist in Grand Chase Dimensional Chaser. An enigmatic demon of unknown origin, she was behind the corruption of the Kricktria God's avatars and attempted to eliminate Grandiel's group in the course of their adventures.
In Teroka, Decanee transformed into Kaze'aze for a moment. However, she claimed to be different from the person the Grand Chase had fought before. As said by Belile, Decanee is not a true demon and just a "crafted doll" of Heitaros Cratsus.
- In Chilly Mine, Grandiel who is a very powerful mage claimed that Decanee is an extremely dangerous being.
- Main article: Grand Chase Dimensional Chaser/Gallery
- "Merry Christmas!"
- "Happy New Year!"
- "May all your New Year's resolutions come true!"