Sleeping Test in a Haunted House: Accidentally Fused with an S-Class Wraith!

"Ding! Your ghost spirit merges with the E-level death ghost and gains +100 experience points!" "Ding! Your ghost spirit merges with the A-level decapitated ghost and gains +5000 experience!" "Ding! Your ghost spirit merges with the S-level ghost king and gains +100,000 experience!" The ghost spirit revives and the ghost spirit descends. Humans and ghosts began to coexist. Yang Fan, who traveled to a parallel world, experienced the "Haunted Mansion Sleep Trial" activity. But what he didn't expect was that the ghost and spirit fusion system was accidentally activated. And I also got ghost spirits that can be infinitely integrated and advanced! So far, in a world where ghosts are rampant, Yang Fan took the super S-class ghosts he trained and killed all the ghosts! So many years later, whenever Yang Fan was mentioned, all the ghosts would tremble. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.