This article presents a detailed, step-by-step walkthrough of the First Edition combat process, using a sample dungeon encounter to illustrate how surprise, initiative, spellcasting, movement, and combat resolution function in play. Where appropriate, notes identify the specific rulebook sections from which each procedure is drawn.

As most players know, many rules in AD&D are notoriously difficult to grasp. The causes range from unclear writing to typographical errors to poor organization. This article sheds light on some of the game’s more arcane and perplexing rules, explaining how they function and, in some cases, the rationale for their inclusion. Often, multiple sources must be consulted to uncover the official answer. To facilitate this, page numbers are cited throughout the text.

Psionics in First Edition Advanced Dungeons & Dragons (AD&D) are an optional subsystem of mental powers drawn from the minds of creatures. Their inclusion adds a rare and unconventional dimension to a campaign.

Alignment is a founding tradition of Dungeons & Dragons (D&D). Present since 1974, it defines the moral compass of player characters, non-player characters, and monsters. By indicating who aligns with Good, Evil, Law, or Chaos — or who chooses Neutrality — alignment distinguishes heroes from villains and permeates the game’s cosmology.

Advanced Dungeons & Dragons (AD&D) is a gloriously sprawling game, and with that scope comes more than a few puzzling, oddly phrased, or hard-to-find rules. Some of these quirks stem from old printing errors, some from vague wording, and others from information tucked away in unexpected corners of the books.