This premium compilation of Against the Slave Lords features four timeless, classic, inter-connecting AD&D adventures (A1: Slave Pits of the Undercity, A2: Secret of the Slavers Stockade, A3: Assault on the Aerie of the Slave Lords, and A4: In the Dungeons of the Slave Lords), and includes a brand-new adventure by Skip Williams, A0: Danger at Darkshelf Quarry, that creates a fresh entry point for the series by adding content for level 1-3 characters.