C55 Retreat to the light

Returning to the main topic, after the Nail Head Seven Arrow Book's image appeared, Feng Yun immediately held onto the symbol sword, and with one finger, the Nail Head Seven Arrow Book began to slowly open.

Nail Head Seven Arrow Book not only recorded the terrifying evilness of the Nailhead Seven Arrows, it also recorded that it was a powerful weapon that could kill people without them noticing