We're previewing all of the raid weapon models coming with the Nerub'ar Palace raid in The War Within. The weapon designs are inspired by the Nerubians ruled over by Queen Ansurek, who has allied with Xal'atath in return for dark power.
If you'd like to learn more about the rich history behind this enigmatic race and their proximity to the Old Gods, check out our lore writeup:
The Nerubians in The War Within — What We Know So Far
Note that this is an early alpha look at the weapon models, and more colors and weapon types may be added in future builds as there are many icons named «nerubianraid» and some aren't attached to items yet: