Uses Sinker Drill and Dire Straight 3 times in a row, Sinker Drill will dispel buffs and hit progressively harder.
Advised to kite him around enough to trigger the TP move, then range it. He will immediately try to reuse a TP move if stunned. Moves can be out ranged however.
As stated above, he uses Sinker Drill and Dire Straight three times in a row regardless of being stunned.