Ethan Mollick's GPT-built D&D duel site passes 5E rules check
emollick · x · 2026-09-08
Wharton professor Ethan Mollick showcased an interactive site built with GPT-6: "The Underdark Duel," a D&D 5E (2014 rules) combat simulator pitting a Mind Flayer (71 HP/AC 15) against a Drow warrior (150 HP/AC 18). Every roll is recorded, with seed-based reproducibility and downloadable combat logs. He checked the rules and found no major errors, though the Mind Flayer's tactics could have been more creative.
Related event: Ethan Mollick Proposes 'Encounter Test' Benchmark Using D&D Battles(2 posts)→
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