C475 The Two Sisters Were in Trouble

Gu Yuan might have looked intimidating at the moment, but in reality, she was just borrowing the power of the Tai'a Sword to bluff her way through. The Tai'a Sword, though an ancient artifact, was useless without enough spiritual force to wield it, turning it into nothing more than a piece of scrap metal.

Currently, Gu Yuan's spiritual force was only sustained by a spirit-gathering pearl