Necromancer of the Underworld

The story of a necromancer who went to the underworld after death... What kind of powerful necromancer will the sufficient necromantic energy in the underworld give birth to? There are also rivers and lakes in the underworld, there are also female ghosts and beauties in the underworld, and there are countless weird undead creatures in the underworld... ********** Friendly recommendation: "The Ruffian White Collar" ISBN 1046472 "Online Games Change Your Life" ISBN 1045166