Badass Hacks! Please Respond

NICE HACK!!!!!!!!!!!! BUT I dont know what a few things do

Could someone explain to me what:
Invis V
In. Group
Mass Invis

Could someone tell me what those do?

THX FOR MAKING THE BIGGEST MASTER HACK OF ALL

Invis V is the value you set the invis as e.g. 50 means your invis to everyone. Play around with it.

Mass Invis means your invis to everyone and there invis to you.