*ONC 2020 SHORT LIST* Something evil dwells in the black lake by the misty woods, something that will claim the souls of those who dare to dive into its realm. Lynn Morris is ready to enjoy some well-deserved holidays in the company of her closest friends. And that house on the lakeshore looks like a dream come true and is exactly what she needs. Or that's what she thinks. It takes her diving into the lake, it takes a blood-curdling vision for her to know they shouldn't have touched the waters. Something is watching her; ready to turn her holidays into the worst nightmare ever had. When reality and illusions start clashing in a never-ending war, will she be able to remain sane and save her friends? Or will she fall prey to the darkness growing in her own mind? *ONC 2020. Prompt #40.