I traveled through hundreds of worlds at once

However, even if there is a defensive spell, it does not mean that it can definitely resist the taboo knowledge. No one can say how long the defensive spell can last.

Therefore, the magic book in Leiden's hand has never been really used for decades, but now that it has come to this life-and-death moment, he has to use this magic book!

Thinking of this, Leiden took a deep breath and rebuilt the defensive spell he prepared in his mind after decades. When the defensive spell was completed, he then tore off the alchemical runes he personally applied to the magic book decades ago.

Buzz~!