The cipher of insanity Gravity Falls

Dipper was hurt after Mabel trusted Stan more then him (Not what he seames)
He makes a deal with Bill to save the only persone who still cares for him.
The demon's plan is to drive the little boy insane but Dipper manages to askape just bevore he lost it completly.

4 yeares later everything changed.
Dipper wasn't the same anymore and naither was Bill.

One day the demon's henchmaniaks told Bill that someone was killing them.

One by one.

And only leaving one clue about him.

Who did it?
What happened to Dipper?
What about his family?
When will Billdip happen?

!!! Selfharm, blood, beat ups, dead people etc. Don't like don't read.

Billdip!!!