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Demon's Child by
flamenightivy reviews
The twins were born with a terminal illness. When they were infants and just inches from death the twins parents summoned a demon. Not just any demon but Bill Cipher. Begging to have their children healed will they except his conditions? What will happen to them? To the twins? Read and find out!
Gravity Falls - Rated: K+ - English - Hurt/Comfort/Family - Chapters: 7 - Words: 11,604 - Reviews: 79 - Favs: 159 - Follows: 164 - Updated: 8/5/2018 - Published: 3/12/2016 - Dipper P., Mabel P., Grunkle Stan, Bill
Son of Bill Cipher by
Gamer763 reviews
Bill has a son and Bill was sent back to the Nightmare Realm when he was born. What happens when he finds his son and what will his son do? Disclaimer: I do not own Gravity Falls. It belongs to Alex Hirsch. And Rated T cause I'm paranoid
Gravity Falls - Rated: T - English - Adventure/Supernatural - Chapters: 3 - Words: 3,212 - Reviews: 11 - Favs: 59 - Follows: 64 - Updated: 1/12/2017 - Published: 1/6/2017 - Dipper P., Mabel P., Bill