Ok. So anyone who plays nekros in any meaningful way knows that this ability is one of the worst in the game. Sure - with the augment, you can increase your survivability. But thats kinda it, and it ends up costing you a RIDICULOUS amount of energy. I feel they need to adjust this ability.
Step 1.
adjust the energy economy of this ability. Make the base cost of this ability be 30 energy plus 10 energy per summon you are ACTIVELY calling up. That would put your upfront cost for thi