C1032 North District's Ai's Cooperation!(part I)

Is this the power of principles?

On the fragmented island, Symas sensed the moment the goat demon rune was completed, strands of pure ultimate power emanating from the rune, infusing into his limbs and bones. His physical body, having been refined by the principles, experienced a significant surge in strength.

Crack crack crack...

Soft thuds echoed from within his body