These two ghosts came at us like two beasts, and before they came to us, I hit the first ghost with a straight knife. The split part of the ghost began to emit a burst of black smoke, and then fell on the ground and the smoke disappeared. After that, I put down another ghost with a knife. These two ghosts are more horrible in appearance, but they are not very effective in fighting.

What's more, now I'm very powerful and faster than before, which is why I can kill these two ghosts easily. Just then, there was a black shadow in front of us, which ran past with a...