Trust No One! A Gravity Falls fanfic

The summer after the events of "Gravity Falls" Mable and Dipper convince their parents to let them go back to the small town. But when things go wrong and our favorite triagular villan returns, how can the team defeat him now with his new found powers?

Bewarb! spoilers for people who have not finished the series. (anyone catch my joke?)

Note: when writing this my device glitched out and chapter 18 and 17 got switched around when you get eighteen skip the the next chapter then go back and read eighteen