Hell's paradise, jigokuraku. Volume 9

"Gabimaru is a ninja on death row with one chance to see his wife again--by finding the elixir of immortality on a supernatural island and delivering it to the shogun. Standing in his way are his fellow convicts and the fearsome beasts that roam the island, devouring or killing anyone they encounter. The battle against Lord Tensen has forced everyone to push their bodies to the limit, accessing new abilities and taking desperate measures to secur...