Novels like Oathbreaker: A Dark Fantasy Web Serial

All share Mythos

Also Horror and Tragedy

In The Shadow of False Gods -

Also Horror and Tragedy

Also Horror and Grimdark

A Knight of The Accursed realm

Also Horror and Tragedy

THE LAST EMPEROR Arc One: The Child Born With Nothing

Also Horror and Grimdark

DESIRE TO BE STRONGEST

Also Horror and Grimdark

Shattered Hearts: A Demon’s Clause

Also Tragedy and Grimdark

Antithesis: Love and Blood

Also Tragedy and Grimdark

Shadows Over Arcadia

Also Tragedy and Grimdark

The Witch of Black Hollow

Also Horror and Tragedy

The Alwaarian Cycle

Also Horror and Grimdark

Chronicles of the Savior: Ghost of Vengeance (Anti-Hero OP MC, Kingdom Building, Epic Fantasy)

Also Tragedy and Grimdark