Fallen Priestess: My Sister's Demonic Bloodline
Embark on a thrilling quest to defeat the Demon King and save Trina from the curse of her demon blood. Protect her from those who seek to corrupt and steal her from you. Conquer dungeons, battle dangerous…
Fallen Priestess: My Sister's Demonic Bloodline is an adventure developed by BBQ Daisuki, released 21 November 2025 on PC (Microsoft Windows).
What Fallen Priestess: My Sister's Demonic Bloodline is
Fallen Priestess: My Sister's Demonic Bloodline is an adventure game developed by BBQ Daisuki and released in 2025. It was published by Saikey Studios. It is available on PC (Microsoft Windows) only. It runs on RPG Maker.
The premise, in the publisher's words
Lloyd grew up never knowing his real parents, living with his sister Trina in the border town of Aslint. He hunts and works as an artificer, while Trina has just begun training as a priestess. Their quiet life shatters when Trina falls mysteriously ill. Lloyd soon learns that Trina carries demon blood, triggered by the presence of a sealed Demon Lord nearby. To save his sister from a worsening fate, Lloyd must find a way to defeat the Demon Lord—before she transforms into someone unrecognisable.
How it plays
It is played from a bird view / isometric perspective. Its themes are fantasy. It is a single-player game with no multiplayer component.
What it launched against
Fallen Priestess: My Sister's Demonic Bloodline launched on 21 November 2025, within three weeks of Metroid Prime 4: Beyond, Routine, Kirby Air Riders and Marvel Cosmic Invasion.
Released around the same time: Metroid Prime 4: Beyond, Routine, Kirby Air Riders, Marvel Cosmic Invasion.
Official trailer
Sourced from the publisher’s YouTube channel.
Screenshots
All media
Quick answers
Fallen Priestess: My Sister's Demonic Bloodline — frequently asked questions
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