His how ever many greats there is GrandFather is shad a.k.a the shadow lord so how could he be dead and Laurence said theres somone he needs to find at the end of episode 100 of mcd season 2 i think its aaron plus ITS SHAD THE SHADOW LORD WHO WOULD DIE IF YOUR (how ever many greats)GRANDFATHER IS HIM and shads a realm brecker so thats how Aaron could go to the Iream Dimension Without Dieing