Seclusion thought a moment and searched through him before looking to the Doctor. "This si why Utopian bodies are burnt" she said, "The area he went to… is where the humans buried the dead after the war, they release a poison and Jack has absorbed that, lets just say he should be glad that he's immortal otherwise he would've been dead already" she said to him. "It's a rather persistent poison as well and this is the illness that it creates in the body of humans, depending on the race, Death can't even go there since it still affect he's ancient race" she sighed ruffling her wings. "What you gave him should help out his body at least. I'll see if I can find something out to help out ok?"