A strange pulsating machine of onyx flesh and ebony metal combines white gas and metaline in a volatile combination before being combusted. It pours out a toxic emission that fills the room. All living creatures that breathe it in take 1d10 damage every round they are exposed. Save vs poison to take half.

If the necroengine is destroyed or disabled, the portal to the water elemental plane in **5.21–24** collapses. The Ul'kari established this facility when they discovered secret documents that explain some of the engineering principles that power the star manifold. They have had unrestricted access to their home plain ever since, and have been ruling over the other factions with their knowledge.