Sure, here's the line-by-line translation:
In his full concentration, every swing carried a powerful momentum, as if tearing through the air, imposing an invisible pressure that made it hard to breathe.
At that moment, a piercing and deafening call echoed from afar, and a shadow suddenly burst through the mist and entered their view—a new, colossal Blood Demon Wolf leapt out from the depths of the canyon.
This intensified the tense atmosphere in the air, forcing the two to divert their attention to face the new uninvited guest!
The Blood Demon Guardian in front of them grew increasingly ferocious, while the newly appeared Blood Demon Wolf prowled around them, seemingly seeking an opportunity to pounce.
David took a deep breath, and the Power of Blood Demons within him surged once more, transforming himself into a bolt of lightning, rushing straight towards the incoming Blood Demon Wolf.
Its movements were swift and fierce, but David had already penetrated its attack patterns.
