The Baldur's Gate 3 modding community is developing an ambitious expansion called Cosmic Vessel, introducing a fully voiced origin character, new class with subclasses, fresh questlines, and explorable areas. According to a recent progress report from the volunteer team, the project has reached major milestones including finalized class mechanics and a showcase trailer. No release date has been set, but the team continues active development.

Saira, the Scholar of the Stars: A Fully Voiced Origin Character

The centerpiece of Cosmic Vessel is its new origin character, Saira — a scholar of the Society of Brilliance whose life is altered by a mysterious encounter.. As the report details, she awakens with erased memories aboard the Nautiloid, setting the stage for a narrative about fractured identity and cosmic forces. the character is fully voiced, adding a layer of immersion typical of official content.

Over 100 New Spells: The Cosmic Vessel Class Finalized

The team has finalized the Cosmic Vessel class,a spellcasting archetype that wields celestial energy while grappling with a splintered psyche. According to the announcement, the class includes over 100 new spells, unique feats, and multiple subclass options.. The mod also introduces original weapons, armor, and visual effects designed to fit seamlessly into Larian's world.

The Sanctum: A New Narrative Location Tied to Saira's Journey

Work is progressing on a new location called the Sanctum, which is directly tied to Saira's backstory. While details remain sparse, the location promises to expand the game's map and lore. The team has not yet shown full environments, but the progress report indicates continued development on this front.

No Release Date Yet: A Year in Development and Counting

First announced over a year ago, Cosmic Vessel has no confirmed release window. The team's rapid progress and open recruitment efforts suggest a launch could arrive sooner rather than later, but the sheer scope — rivaling official DLC — means timelines remain uncertain. The report notes that Larian Studios has ceased official updates for Baldur's Gate 3, shifting focus to their next Divinity title. Several open questions remain: Will the team deliver on the promised over 100 spells and fully voiced charcter without a publisher? How will the mod handle compatibility with existing saves and other mods? And can a volunteer team maintain the quality bar set by Larian?

Larian's Departure and the Modding Community's Rise

With Larian Studios no longer updating Baldur's Gate 3, the modding community has stepped in to fill the void. Cosmic Vessel is part of a wave of ambitious fan projects that extend the game's life. The report highlights that the team is entirely volunteer-based ,raising questions about sustainability and quality compared to professional development. this echoes trends seen in other RPGs like Skyrim, where fan expansions have kept communities engaged for years after official support ended.