C957 Ethereal Seeking to the Core of the Earth(30)

That's right, the weapon in Tristan's hand was not just an ordinary spear made of exquisite craftsmanship. That was indeed a weapon that carried a Plugin System! And the pike in Merman Prince's hands had an extremely powerful plug-in: It could produce high frequency vibrations!

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An ear-piercing sound echoed in the werewolf's ears. The frequency was astonishing