By the way, just an update. I just tried using IsEssential on Derek Pacion, a child NPC. I then used fomm to get his BaseID, and set his Essential status to 0. Put a few rounds in him, and nothing. I used IsEssential to make sure he wasnt still essential, and it read 0, just as it should have. Like I said, the Child tag is a new class of NPC, and it seems that it makes whatever its applied to invincible.