Apex Predator

The enemy was in front of her, kneeling, and momentarily vulnerable. 

Who knew how long that vulnerability would last? The demon would most likely regain his bearing a heartbeat later.

Everything inside Rain screamed for her to attack, to throw her body forward and slay the abomination before that happened. After all, she could not be sure that there would be another chance later. 

Adrenaline flooded her bloodstream, and her heart thundered feverishly. Her pupils widened, her mind drowning in excitement, fear, and frenetic urgency. 

But, at the same time, the memory of the teacher's arrogant voice rang in her ears:

"Bruise? What do you mean, it will leave a bruise? Listen, disciple… you should be grateful to your kind and gentle teacher for educating you so tenderly! The last time I made such a mistake, I was stepped on by a mountain. Now that left a bruise!"