Easy Garalon hardcore kill?

It's not confirmed now because we already killed it this week, but some friends seems to have killed this boss in hardcore with this method:

1. One member of the raid leave the party
2. When the counter says 5-10 second of the teleporting out of the instance, he pulls the boss that will cast the pherormone on him
3. The game will teleport him away with the debuff
4. The boss just stand still like a dummy and gives free loot

As i said, unconfirmed for now, give a shot if you still have this boss alive this reset