Celestial Brush

AI-Powered Interactive Fiction

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

《Celestial Brush》is an AI-powered wuxia interactive fiction RPG. Every decision you make unfolds as a beautifully written martial arts novel passage — and every chapter weaves together into a legend that is entirely your own. [Immersive AI Storytelling] Each turn, the AI generates a vivid wuxia passage in real time — capturing atmosphere, inner conflict, and the tension of combat. The prose is sharp and classical, evoking the worlds of Jin Yong and Gu Long. Lies can be seen through. Persuasion can fail. Every setback is a turning point, not a dead end. [Your Story, Drawn Panel by Panel] Transform any chapter into an ink-brush manga with one tap. AI extracts the scene, designs tension-filled panels, and brings characters, dialogue, and action to life across the page. Completed legends are permanently archived in the Hall of Legends for you to revisit anytime. [Voice Narration] Choose from three distinct voice tones and let every passage come to life like an audio drama. [Choose Your Path, Shape Your Fate] Three distinct choices each turn: advance the main story, take bold action, or deepen your cultivation. There is no right or wrong — only your unique journey through the martial world. Break through to a new realm and feel the dramatic surge of power that transforms you. [Multiple Worlds to Explore] Begin in the wuxia world of Lieyu Crossing or the xianxia realm of Xuanxiao, or build your own unique martial world from the ground up. [Your Legend Lives On] Cloud-synced progress follows you across devices. Completed stories and generated manga are preserved forever in your personal archive. Pick up the brush. The martial world awaits. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://stormveil-castle.web.app/privacy.html

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[What's New] - Fixed the top toolbar (prologue button, world/volume name) overflowing and overlapping on small screens - Fixed the turn summary not showing items/coins spent during an action (e.g. eating rations now shows up correctly) - Improved AI connectivity: greatly reduced "response timeout" errors; clearer messages with one-tap retry when the connection drops - Stability: fixed a possible crash during credit deduction - Improved Apple Sign-In stability

The developer, Stormveil Castle Inc, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Purchases
    • Contact Info
    • User Content
    • Identifiers
    • Usage Data
  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

The developer has not yet indicated which accessibility features this app supports. Learn More

Seller
  • Stormveil Castle Inc
Size
  • 40.3 MB
Category
  • Word
Compatibility
Requires iOS 15.0 or later.
  • iPhone
    Requires iOS 15.0 or later.
  • iPad
    Requires iPadOS 15.0 or later.
  • iPod touch
    Requires iOS 15.0 or later.
  • Mac
    Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
Languages
  • Traditional Chinese
Age Rating
9+
  • 9+
  • Infrequent
    Cartoon or Fantasy Violence
    Guns or Other Weapons
In-App Purchases
Yes
  • 天機補充包 $8.99
  • 天機豪華包 $19.99
  • 天機基本包 $9.99
Copyright
  • © 2026 Marval App. All rights reserved.