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Fallen Priestess: My Sister's Demonic Bloodline needs at least GeForce™ GTX 640 series or similar and 4 GB RAM.
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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.
Game modes: Single player
Right now the lowest price for Fallen Priestess: My Sister's Demonic Bloodline we're tracking is $18.99 at Steam. We compare 1 store and prices refresh every few minutes.
The lowest price we've recorded for Fallen Priestess: My Sister's Demonic Bloodline is $18.99 at Steam on August 1, 2026. The current best price matches that all-time low — historically a good time to buy.
73% of 605 Steam user reviews for Fallen Priestess: My Sister's Demonic Bloodline are positive ("Mostly Positive").
The minimum system requirements for Fallen Priestess: My Sister's Demonic Bloodline are — OS: Windows 10 or later; CPU: Intel Core™ i3-2100 or similar; GPU: GeForce™ GTX 640 series or similar; RAM: 4 GB RAM; Storage: 2 GB available space. See the full minimum and recommended specs in the system requirements section on this page.
Fallen Priestess: My Sister's Demonic Bloodline released on November 21, 2025, developed by BBQ Daisuki and published by Saikey Studios.
Fallen Priestess: My Sister's Demonic Bloodline is available on PC (Microsoft Windows). It supports single player.
The cheapest Fallen Priestess: My Sister's Demonic Bloodline price right now is $18.99 at Steam.
| Store | Discount | Price | Buy link |
|---|---|---|---|
 SteamBest priceAll-time low | — | $18.99 | Buy Fallen Priestess: My Sister's Demonic Bloodline at Steam |
All-time low: $18.99 at Steam on Aug 1, 2026 — the current best price matches it, a good time to buy.
Prices in USD, refreshed every few minutes. Switch currency on this page for EUR/GBP/BRL and more.
