Xetrakruulthrulox

"Xetra" was an ancient Prismatic Dragon, one of the few of its kind, that was defeated by Esriel. She was later raised from the dead and forced to guard Esriel's cache of magical items in the southern forest. She was encountered twice by the group; first by Hylin, Rez, Vriska and Torn when Rez and Hylin went to investigate. They were promptly blinded by it's prismatic breath weapon and fled.

She was encountered a second time when Talrith led an expedition down to collect some of Esriels items. Talrith held her off while Vriska led the rest of the group to the inner sanctum. Talrith was able to keep her at bay, however he was not able to defeat her and she reverted back to guarding the area.

She was finally destroyed during the Siege of Alria by Kal'Dohar and Atra.