turn on character speed hack
summon ur pet
use emote to sit on the ground
teleport away.. and ur invisible..
u cannot attack/use skills/pots/talk to npc or this will make u visible.
ur pet can attack and kill without u losing invisible.
Note* if you go near the spot where you sat on the ground ur character will appear to be still sitting there.. also, gm can see ur character position is where u were sitting before you teleport but your character will not be there, unless you are nearby that spot.