With a sigh, Su Chen looked deeply helpless; he certainly could not choose to give up, because the Burial Tribulation Pen was a treasure given to him by the Tower Spirit, and it undoubtedly originated from the myriad universes.
Given the Tower Spirit's identity, a supreme treasure bestowed by it meant a great deal, as one could well imagine.
Since the Burial Tribulation Pen could devour the power of the thunder curtain, regardless of whether it could level up, it was a once-in-a-lifetime opportunity for the pen.
Chapter 1140