Several players have reported that Xilaxis the Explorer in the new Labs x4 raid zone is not dropping any loot other than small wooden chests of plat (not a bad reward, but some armor would be nice). Fortunately, timetravelling is on the case:
I found the issue with both his normal- and challenge-mode item tables and corrected them. Should be hotfixed soon, apologies for the frustrations!
No words on those pants though.
Pants are over rated anyway 😛