library.jar

Once a presence starts writing a story, it does not let go. The mod builds unease gradually instead of relying on loud jumpscares, and it moves from subtle anomalies in the first phases to direct pursuit later. A seven-phase escalation system sets the pace, with the early phases mostly setting up ambience and lore, and the later phases making pressure mechanics dominant.

Custom horror entities and scripted encounters apply pressure through timing and atmosphere, with ominous audio and narrative interruptions that raise the threat. An optional voice-reactive behavior lets certain spoken lines get in-character answers. Some of those voice lines are synthesized through an external online endpoint, which needs an internet connection and receives only the text of each line. If the runtime components for voice features are missing, those features are disabled while the core gameplay stays playable.

library.jar is for Forge only, across six release versions, 1.20.1 – 1.20.6. Servers that run it need every player to install it too. The mod works in singleplayer and in multiplayer or LAN, and it is released under All rights reserved and is not open source.