New life in the phantom universe

Thomas Root died, he learn that unlike web novel he's not getting his every fantasy realise. Instead he's given a choice, go back into the circle of his world after life. Loose his memory and start anew, or keep his memory and go trough a torture filed tunnel that will test his sanity. Oh and if he come out on the other side half sane he gets to keep all his memory and be send to a different reality. What his guid decide not to tell him is that, his memory is the only thing he gets. He does not chose a wish or power, system, ability not even were, when or who. This is but a game the high being play out of boredom.