Originally posted by knighttemplar1960:

You could try a nice large dragur village that has lots of body piles. I once found a dragur village that had 4 body piles in it. Spawned Dragurs much faster than a single gray dwarf spawner spat out gray dwarves.

I tried looking for one but can't seem to find any with good spawns. Best I found was the little sent of stones with 2 spawns. I guess you gotta build up rather than dig down on these?