A hunter's pistol

His hands found the pistols grip, and as he found his own grip on it, he stood up. The beast had yet to notice him.
Breathing deep, he took aim. His mind went to the countless hours he had spent shooting similar guns. He could see the pistol's design in his mind's eye. He noticed the slight curve to the right the barrel had. Half by instinct he lined the beast's antlered head between the gun's iron sights, and shifted his aim inches left.
The beast seemed to have paused in this moment, kneeled over and smelling his broken beloved. Oblivious to James.
With a furious and curious calm, James and the gun became one, as he slowly pulled the trigger, with a practiced squeeze, the gun kicked in his hand. A blossom of blood splashed, as his aim shot true, temporarily ruining the beast's eye, and showering Catherine with blood. The beast dropped to a knee.

As if revived from the dead, Catherine rose to her feet, grabbing the beast's antler in one hand, no weapon in the either. In a smooth action that was as quick as James' gunshot.
A manic grin on her face, Catherine thrust her arm into the white haired beast's mouth, and seemed to tear something from deep within the beast, as a geyser blasted from the mouth of the beast, coating Catherine even more.
The beast reared up, raining blood down in the surrounding area.
The other hunter, whom James' had assumed dead, moved quicker than his eye could follow, but for the small cloud of dust they left behind. With a sickening crunch and burst of blue sparks destroyed the beast's knee, sending it reeling back down to Catherine.
Catherine didn't let is land, and instead met it's momentum with her retrieved axe, severing the colossus skull of the beast from it's body. A wet thump accompanied the beast's slump to the ground.
James despite having barely done anything stood there shell shocked as the blood drops on him sing against his skin.

"You 'ny vials left?" asked the other hunter to Catherine. His back to James, his posture betrayed lingering injury.

"Naw, I used my last one a'fore bright eyes there took the beast down a peg with that pebble shooter ya n'ver use." Catherine responded, using the strong accented voice he had only heard her use after sex. A pang of jealousy and impotency shot through James' stirring him from his reverie.