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The Sovereign's Back Door: The Thistlethicket: Heart of the Hollow Oak
Paperback
Series: The Thistle-Thicket
Publisher: Akerace Books
Published: Apr 29 2026
Pages: 36
Weight: 0.24
Height: 0.07 Width: 8.50 Depth: 11.00
Language: English
The Core Premise
While the Pioneer's Guide teaches players how to hide and survive within the Thistle-Thicket, The Sovereign's Back Door reveals that the sanctuary has a leak. This supplement introduces a localized breach where the Sovereign's cold, mechanical logic begins to overwrite the natural (or supernatural) defenses of the Thicket.
The Incursion: The Sovereign isn't just attacking; it is installing itself. This content details how mechanical protocols manifest in organic spaces.
The Protocol Gap: Identifies a specific vulnerability-the Back Door-left behind by the original architects, now being exploited by the Sovereign's reach.
The Clocktower Nexus: Serves as the physical and metaphorical anchor for this content, acting as a bridge between the Pioneer's reality and the Sovereign's domain.
Infection Mechanics: New rules for how The Sovereignty attempts to map and claim biological entities.
The Pipe Logic: Fast-travel or data-transfer hazards that players must navigate, turning traditional movement into a high-stakes digital/physical gauntlet.
Threat Profiles: Stat blocks for the Sovereign's Maintenance units-creatures designed not to kill, but to reformat the environment.
As Related Content, this serves as the primary Inciting Incident module. It takes a party from passive survival (Pioneer) to active resistance (Sovereign). It provides DMs with the necessary connective tissue to escalate the stakes of a campaign from local exploration to a systemic struggle.
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