Fanfic / Mother Of Vengeance

A Birthright/Worm crossover, by Leliel. Taylor kills a monster and inherits its power. The universe is never going to be the same again. Can be found on fanfiction here, on Archive of Our Own here, and on Spacebattles here and here.

Warning: Story provides spoilers for Worm.

This series provides examples of:


http://tvtropes.org/pmwiki/pmwiki.php/FanFic/MotherOfVengeance