Conjurer Skeletons

From Spiderman Fanon

Conjurer Skeletons are an elite force of skeletons and use powers to directly support other skeletons. They have been known to serve as officers and leaders. Their powers include stealing the life force out of people and giving it to their allies or themselves, they are also able to debuff their enemys, such as speed or morale or even attack and defence. Little else is known about them.