The unique affix works best with Bones of Rathmaset, as it allows reaching full damage bonus in just two casts. It affects all runes, including Singularity, making it a potent choice. Essence cost of summoning does not change.
Stats (Level 11)
Circle of Nailuj's Evol
Raises an additional Skeletal Mage with each cast and they last an additional 2–4 seconds.