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Especially the surrounding blood-colored rune, the unconcealable bloodlust within them was extremely terrifying, as though they had already killed countless people in the midst of this seal!

"blood seal!"

Amongst the left eye, the Elder Mu snorted coldly, as a trace of shock appeared in his tone.

As his voice fell, it made Qin Feng's pupillae flicker. He asked worriedly: "Teacher