What ghosts did Maureen, the ghost bender, infect?

Drowning ghosts, starving ghosts, drunkards, chainsaws and so on. According to the query novel Ghost Bender: I have contracted hundreds of millions of S-class ghosts, as long as the ghosts break through the defense, they can be forced to contract, others contract two ghosts on average, and Maureen directly contracts hundreds of millions of ghosts, one summons, and all the ghosts come, drowning ghosts, hungry ghosts, drunkards, chainsaw ghosts and so on. "Ghost bender: I contracted 100 million S-class ghosts" mainly wrote Maureen who played games in class and crossed into a parallel world where ghosts were rampant. As the worst talent, he accidentally acquired the defense system and started his contract road.