Responses
Rightt since his grandpa can use the book too. Even mc who was weak at first suddenly becomes strong only by using the book lol
I wonder if that emperor has the second book from the two existing in the MC's world. I mean it would make sense.
You think its in their blood but its actually just the book, the trading something kinda thing KAHAJDHJS
I think that was the real reason why they so op lol
I mean ye-- they also train hard but I think the book did a great deal of things as well
Note: *I think* thanks (=・ω・=)