Top 10 Best Mature FE3H Fanfics

by Bohemienne · Ferdinand von Aegir/Hubert von Vestra

When the Black Eagles Strike Force's top mole in the Leicester Alliance is discovered, Byleth proposes a drastic plan to gather the necessary intelligence for an invasion. Hubert and Ferdinand will have to fake a clandestine relationship, feud with Edelgard, flee the Empire, and take refuge in the A

by MooeyDooey · Ferdinand von Aegir/Hubert von Vestra

“Emperor Edelgard and I have already crafted the rumor, and how we wish to spread that information. All you need to do is exactly what I tell you. Nothing more.” “Hubert, you’re being strangely evasive. What is my role in all of this?” The topic could not be danced around for any longer, so Hubert b

by coffeeincluded · Ferdinand von Aegir/Hubert von Vestra

How do you hide your true nature when it walks the world beside you, for everyone to see?You can't. So, what then?Or: If Edelgard believed in signs, she’d struggle to think of one stronger than this. Dimitri’s worst moments haunt him like the ghosts. Claude is a trickster, a schemer; might as well o

by Bohemienne · Ferdinand von Aegir/Hubert von Vestra

Once he dreamed of peeling away his gloves and running bare fingers through that bright orange hair. But they found themselves on opposite sides of the war--a war that Hubert lost.He intends to make Ferdinand pay for that. Ferdinand has other plans.///(A version of post-Blue Lions route in which Fer

by Sunnybone · Ferdinand von Aegir/Hubert von Vestra

*mild spoilers for Black Eagles route*Caspar is extremely tired because his neighbor, Ferdinand, does not seem to understand that the dormitory walls are actually quite thin

by Raxistaicho · Edelgard von Hresvelg/Byleth Eisner

Byleth Eisner lived her life as something less than human; an emotionless Ashen Demon, until a chance encounter awakened the humanity that slumbered within her. This story is a novelization of the events of Fire Emblem: Three Houses, following the Crimson Flower story but using events from the other

by mareza · Dimitri Alexandre Blaiddyd/Felix Hugo Fraldarius

“How are you going to get the One-Eyed Demon of Garreg Mach, the Boar Prince of Faerghus, smuggled past Dukedom soldiers? What plan could you possibly have to get a creature that incapable of even pretending it isn’t a bloodthirsty beast into Dominic without getting caught?”The Professor gives him o

by Escopeta (Narrativa) · Claude von Riegan/Byleth Eisner

A mercenary. The "Ashen Demon", known for cutting through enemies with a blank expression all the while on her face. An emotionless child only a father can love. Then she finds herself within the walls of Garreg Mach Monastery, surrounded by cheerful faces and earnest voices. Ones that spark a warmt

by IGOM · Claude von Riegan/Byleth Eisner

A chance encounter between Jeralt Eisner and Tiana von Riegan at a nameless crossroad in Leicester changes the fate of Fódlan and beyond when Tiana convinces Jeralt to join her in traveling east. Their children grow up together in the Almyran court, companions and friends despite the machinations su

by littlebook · Claude von Riegan/Byleth Eisner

But, as usual, Byleth cannot urge herself to feel anything. She huffs out the most frustrated sigh she can muster and marches into the nightfall, unaware she is heading straight into the den housing every reason Jeralt runs from village to village, protecting his unknowing daughter from a fate she w