Fics like The Warrior of Light and the Warrior in Crimson

One Brings Shadow, One Brings the Light Two Toned Echoes Tumbling Through Time One More Chapter They've Yet To Write. One a Heart of Ember in Autumtide, the other a newly birthed flame. One who lived through the Seventh Umbral Calamity, One waking on a Realm Reborn.

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Rose and a Vampire by ThatOnePsycho (RWBY, Rosario + Vampire)
You're Telling Me Things I Already Know by waketosleep (Final Fantasy XIV)
Heart of Ember, Autumntide by ThatOnePsycho (Harry Potter - J. K. Rowling, Final Fantasy XIV)
With a Little Drop of Poison by ThatOnePsycho (Kingdom Hearts (Video Games), RWBY)
Ruby Rose's Dead by ThatOnePsycho (RWBY, Vampire: The Masquerade)
Cohort of Hunters. A RWBY self insert of Military Proportions! by DavidSchrepfer (RWBY, Titanfall (Video Games), more)
Legends Scatter by ThatOnePsycho (RWBY, Magic: The Gathering (Card Game))
To Endure by Dakkaboy123 (RWBY)
Huntresses in Faerûn by ThatOnePsycho (RWBY, Baldur's Gate (Video Games), more)
Surrounded By Precious Things by ThatOnePsycho (RWBY, Fairy Tail, more)
Live, Die, and Know by ThatOnePsycho (RWBY, Final Fantasy XIV)
To Shatter Fate by Spriggy13 (Bleach (Anime & Manga), RWBY)
Raising Hel, in Danmachi. by Commonnerfer (ダンジョンに出会いを求めるのは間違っているだろうか | DanMachi | Is It Wrong to Try to Pick Up Girls in a Dungeon? (Anime), RWBY, more)
One Fleeting Moment by ThatOnePsycho (RWBY, Final Fantasy XIV)
Ain't No Grave by ThatOnePsycho (僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia, Final Fantasy XIV)
Views into Zenless Zones by DragonKingDragneel25 (RWBY, Zenless Zone Zero (Video Game))
Fur and Fire by ThatOnePsycho (RWBY, Warcraft - All Media Types)
Averting The End by OminousBlaze (僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga), One Piece (Anime & Manga), more)
stars, hide your fires. by papernautilus (Final Fantasy XIV)
Gathering the Audience by UnderEarthFilms (RWBY, Re:ゼロから始める異世界生活 | Re:Zero Starting Life in Another World (Anime), more)