This is an expansion for the grand strategy game Stellaris, released on September 22, 2025. It is available on Linux, PC (Microsoft Windows), and Mac platforms. The expansion focuses on a significant overhaul of the Psionic Ascension path, introducing new narrative elements and gameplay mechanics centered around the psionic plane.

The core of this expansion lies in its exploration of the psionic plane, presenting players with profound moral dilemmas and the opportunity to form allegiances with powerful patrons. This path is described as offering immense power, but with the inherent risk of ultimate destruction. The expansion aims to deepen the strategic and narrative experience for players who engage with psionic themes within the Stellaris universe.

What is this expansion for Stellaris?

This expansion is designed to enhance and extend the existing gameplay of Stellaris. It is not a standalone title and requires the base Stellaris game to be played. The expansion introduces a comprehensive rework of the Psionic Ascension path, a progression system within the main game that allows empires to develop psionic abilities.

New Content and Gameplay Mechanics

The expansion introduces several key new features:

An overhauled Psionic Ascension: This is the central focus, providing a completely new experience for players pursuing psionic development.
Moral Dilemmas: Players will encounter significant choices that impact their empire's trajectory and relationship with the psionic plane.
Patron Allegiances: The ability to align with powerful entities from the psionic plane is a new mechanic, offering unique benefits and potential drawbacks.
The Temptation of Destruction: The expansion explores the darker aspects of psionic power, presenting players with the allure of destructive capabilities.

How Does it Integrate with the Base Game?

This expansion seamlessly integrates into the existing Stellaris framework. It modifies and expands upon the Psionic Ascension path, meaning players who have previously explored or are interested in psionic empires will find a significantly altered and expanded experience. The new mechanics and narrative elements are designed to be woven into the ongoing gameplay of a Stellaris session, offering new strategic avenues and story possibilities.

Scope and Impact

As a complete overhaul of a major progression path, this expansion is a substantial addition. It aims to provide a deep and engaging experience for players invested in the psionic aspects of the game, offering a fresh perspective and new challenges that can significantly alter an empire's development and galactic standing. The scope is comparable to other major expansions that significantly alter core gameplay systems.

Additional Content

As of its release, this expansion does not have any listed DLCs, expansions, or remakes associated with it. It is presented as a singular expansion package.