Virgil and Deceit discover some new powers and have to hide it from the other sides and Thomas. But Thomas seems to be having mysterious headaches and getting sick more easily. What is the cause of the mysterious illness? What powers have our favourite dark sides acquired? Will the others find out? Only one way to find out, by reading this fanfiction! (I don't own Sanders Sides or cover art) Also I first wrote this story on quotev and decided to fix the mistakes and throw it onto Wattpad