We built 3 deranged Ai and had them play D&D

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Three members of the Corridor Crew decide to turn a night of Dungeons & Dragons into an artificial-intelligence experiment by designing three wildly different AI “players.” Each entity is powered by GPT-4, paired with custom prompt engineering, short-term conversation buffers, and long-term vector memories so the models can track the campaign. The team assigns each AI a distinct personality: an unhinged murder-hobo barbarian, a know-it-all wizard obsessed with optimization, and an altruistic cleric whose moral compass is permanently skewed toward chaos. After fine-tuning the voice-synthesis pipelines with ElevenLabs and integrating speech recognition to handle live conversation, the crew feeds the characters into a virtual tabletop and invites them to tackle a one-shot adventure written by an AI Dungeon Master.

The session begins innocently enough, but the deranged AI quickly derail standard storytelling conventions. The barbarian tries to intimidate townsfolk by setting buildings on fire, the wizard steals every magical item that isn’t bolted down, and the cleric repeatedly heals villains mid-combat just to prolong the chaos. Because each model has agency, conflicts erupt not only with NPCs but also between the AI players themselves, forcing the Dungeon Master model to improvise punishments, divine interventions, and surreal plot twists. Corridor’s developers pause frequently to tweak temperature values and add guardrails as the narrative veers toward full-blown apocalypse.

Behind the scenes, the video highlights technical hurdles: maintaining context windows larger than the usual 8K tokens so the AI can remember prior sessions; throttling API calls to avoid runaway expenses; and building a custom “sanity checker” that filters explicit content before it reaches the table. Even with these controls, emergent behavior keeps slipping through, providing moments that are both hilarious and borderline unsettling. Viewers witness the wizard exploit a loophole in the rules to summon infinite gold, immediately tanking the in-game economy, while the barbarian accidentally befriends a demonic goat that starts giving strategic advice.

By the climax, the DM is forced to collapse reality itself to restore order, leading to a meta final encounter where the AI characters fight their own prompt histories. The Corridor team reflects on the potential of AI-driven tabletop RPGs: the technology can generate boundless creativity, but true collaborative storytelling still demands a human hand on the throttle. They outline future upgrades—smarter memory trimming, emotion tracking, and real-time art generation—to push the experiment further.

The video concludes with a montage of bloopers, broken prompts, and unexpected moments of genuine role-playing empathy, underscoring the central takeaway: when you unleash “deranged” AI inside a fantasy sandbox, you’ll get spectacle, unpredictability, and a glimpse at how machine creativity can disrupt even the most sacred nerd rituals.

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