C997 An Intense Battle

The old man let out an angry roar and released a powerful murderous aura. He held the black iron staff in his hand and twisted it. He swung it at the head of the black yak!

The black yak's ferocious smile disappeared when he saw this. At this moment, he blocked the iron staff with his straight blade.

Bang! The sound of the two heavy weapons colliding made the surrounding mutants' eardrums hurt