Thirallan: Alchemist Edition for Aground is a mod designed for the game Aground, consolidating various previously released mods into a single improved experience. The mod features a collection of enhanced content from Thirallan, The Realm of Dragons, Deathbourne, and Robot Rebellion, along with a brand new project. Players can unlock the mod's star system by interacting with specific characters after progressing through the game. However, it is important to note that the mod is currently incomplete, with several features yet to be fully developed or accessible.

The mod serves as a part of the KOZ Modding Competition and aims to provide a richer gameplay experience. While certain elements, like the Realm of Dragons and some components of Thirallan and Deathbourne, remain unfinished, the mod showcases placeholder sprites and unique mechanics like the Corruption Mechanic and Purifier Boss fight. Collaboration among various contributors has enriched the mod's artwork and music, enhancing the overall aesthetic and gameplay.