After jumping onto the Alliance Roof during Isle of Conquest, I realised that from here:
You can reach the Alliance Graveyard with most spells / ranged attacks.
After a few games, it seems that you cannont be Death Gripped off, and it takes them quite a while to figure it out.
If you're still after Wrecking Ball, this is a great was to get your KBs up without worrying about Deaths.