C626 Mysterious expert who has yet to appear

From the time I left the school until I returned, it had only been 47 seconds. By now, the puppet and the mantis were still fighting in a great battle, and as I recovered my strength, I could tell that the mantis's reaction to energy was similar to that of a level one demon beast. Its body emitted an aura that disgusted me, and I didn't have the time to watch it play with the puppet. However