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About Fallen Priestess: My Sister's Demonic Bloodline

Fallen Priestess: My Sister's Demonic Bloodline - about the game

Lloyd hunts monsters and crafts gear in the border town of Aslint while caring for his sister Trina, a new priestess struck by a mysterious illness. Her demon blood awakens due to a nearby sealed Demon Lord, pushing Lloyd to defeat it before she changes forever. This RPG adventure blends exploration, crafting, and combat to strengthen your character. Talk to townsfolk for clues on Trina's condition, which worsens over time, and gather rare ingredients from dungeons beyond town borders. Level up through battles and return home to satisfy her growing mana thirst. Players who enjoy quest-driven RPGs with personal stakes and gear upgrades will find a focused loop here.

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.

Travel the richly detailed world, full of diverse characters, each with their own stories and quests to discover. Craft items and upgrade your gear to grow stronger. Converse with the townsfolk to gather any information that could help Trina, whose condition worsens as the demon blood within her awakens. Venture beyond the town’s borders and gather rare ingredients, explore dungeons, battle monsters, and level up. But after a long day’s adventure, don’t forget to return and tend to Trina's growing thirst for mana.

Interface:
EnglishJapaneseKoreanSimplified ChineseTraditional Chinese
Audio:
Japanese
Subtitles:
EnglishJapaneseKoreanSimplified ChineseTraditional Chinese

Age rating

Unavailable

System requirements

Minimum:

    Minimum:
    • OS: Windows 10 or later
    • Processor: Intel Coreā„¢ i3-2100 or similar
    • Memory: 4 GB RAM
    • Graphics: GeForceā„¢ GTX 640 series or similar
    • Storage: 2 GB available space

Recommended:

    Recommended:
    • OS: Windows 10 or later
    • Processor: Intel Coreā„¢ i7-4600M or similar
    • Memory: 4 GB RAM
    • Graphics: GeForceā„¢ GTX 750 series or similar
    • Storage: 2 GB available space
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FAQ

8 questions

Before you start looking for a cheap Fallen Priestess: My Sister's Demonic Bloodline CD Key, take a moment to check the essentials. Developed by BBQå¤§å„½ć. Published by Saikey Studios. PC released date: 21 Nov 2025. Genres: RPG, Adventure. Categories: Family Sharing, Single-player, Steam Achievements, Steam Cloud, Partial Controller Support.

Q Can I play Fallen Priestess: My Sister's Demonic Bloodline on Steam Deck?

Yes, with minor tweaks. Fallen Priestess: My Sister's Demonic Bloodline Steam Deck compatibility is Playable, so the game works after small adjustments (e.g. selecting a Proton version or using the touchscreen for tiny launcher text). In short: "You can play Fallen Priestess: My Sister's Demonic Bloodline on Steam Deck".

Yes. A Fallen Priestess: My Sister's Demonic Bloodline Steam version exists. Pick any offer tagged Steam Key on XD.deals, redeem it in the desktop client, and play Fallen Priestess: My Sister's Demonic Bloodline on Steam PC.

Yes. Once your Steam key is redeemed, you can launch Fallen Priestess: My Sister's Demonic Bloodline in Offline Mode via Steam. Your save files will sync the next time you go online.

Yes, you can buy a Fallen Priestess: My Sister's Demonic Bloodline Steam Key directly on the Steam Store. At XD.deals, we aggregate all available Steam DRM offers so you can compare cheap Fallen Priestess: My Sister's Demonic Bloodline steam deals in one place.

At the moment we don't have any live offers for Fallen Priestess: My Sister's Demonic Bloodline - both official stores ({1}) and keyshops ({2}) show the game as sold out or temporarily unavailable…

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Not yet. There's no Fallen Priestess: My Sister's Demonic Bloodline Steam listing right now, so you can't buy Fallen Priestess: My Sister's Demonic Bloodline on Steam today. Instead, browse the other Fallen Priestess: My Sister's Demonic Bloodline offers on XD.deals - official stores and keyshops often provide DRM-free or launcher-key versions you can play while waiting for a future Steam release.

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