The swing that won't stay still

Preparation

She was very afraid when she heard what i told her and she was also freaked aout by my intensley deep vigorous voice. I begged for her help and promised to assist her in her training. I told her that tomorrow, the 13th day of october, her birthday, was the day of battle. Before the clock strikes 12, before the 14th come upon her, the dark force will appear. After i told her that i disappeared in a flash of green light.