Boy 412 from Magyk is actually Septimus Heap, the long lost son of the family that raised Jenna. He was kidnapped when he was born and taken to be raised by the Young Army. He has magical powers and Marcia wants to take him on as her apprentice. His early conditioning by the army makes him highly suspicious of both Marcia and Jenna, but eventually he comes to realize that the powers he has don't come from the ring the army has given him, but from the inside of himself.