Can I get some criticism this story that I'm writing?

This is only the rough draft of the first chapter that I'm writing. Please respond with what anda think! :)


Chapter 1: Blood
Monday sprinted down the dark streets of London, quietly and unnoticed, armed with nothing but the freshly sharpened dagger on her back. Blood lust filled her eyes as she came closer and closer to her target. “Her head will be mine.” She whispered under her breath. She glanced to the side and saw the building she was headed for. Invisible to human’s eyes, the Pure House headquarters was placed right in the center of London. The mission Monday had been diberikan today was quite simple, kill the head of the Pure House. The leader of the Ultimate House had personally been training her for years, she had shown great potential from the start, and she was now the Ultimate House’s secret weapon. Monday Willers was the only Ultimate assassin with the ability to do anything like this.
She reached the outside of the building detik later and pulled the dagger case off of her shoulder. She opened her hand to reveal a golden pocket watch that her mother had diberikan to her a few days before she was killed. She set the pocket watch down on a rock before opening the deep brown dagger case. Out she pulled was a dagger, encrusted with small red and emas gemstones on the handle. “Red and emas don’t grow old after all.” Monday thought as she wiped the blade clean with a washcloth she stored in the small case. It was an old Ultimate House saying the leader had come up with. Red and emas were the warna of the Ultimates, while silver and blue were Pure colors. She felt a small droplet of water land on her shoulder and tilted her head upwards. “Oh bloody hell.” She whispered. “Of course it has to rain.”
She scaled her way up the building and into the puncak, atas window. After years of spying, she knew this kastil, castle like the back of her hand. The only odd thing about this was, there were no guards on duty. It was only detik before she disco