We rage at Twilight [MLP AU]
https://archiveofourown.org/works/35809288/chapters/89295025
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When sunny Starscout and her friends find a relic to bring back the founders of friendship-the main six. Sunny finds herself resurrecting the ponies to their prime years, into the current day and age in Equestria. Distraught and confused about how and why they're back, and how everypony they ever cared about was dead , The old main ponies succumb to immense depression. All except one...Twilight sparkle; Full of hate and rage for sunny, who ever so brought them back, only to suffer. In a rage twlight goes corrupt, becoming the villain she swore that she'd never become, killing sunnys friends After escaping twlights grasp of vengance, She wanders into her ex friend Sprout , who begrudgingly still hates sunny somewhat. he finds out the deaths of sunny's friends and decides to comfort her in her time of loss. Somewhere farther in equestria--A beaten and greying draconequus lays dormant in the old and decaying cottage his love fluttershy carefully passed down from her and discords generation of children/grandchildren. Discord becomes aware of twilights corruption, meeting the two young ponies, assisting them to end twilights reign or rage