2012 · ソースブック（プレイを拡張するルール／オプション）

Treasure Trove #1: Spirosblaak Arsenal

This d20 fantasy supplement expands the black powder weapons and rules of the SpirosBlaak setting. It includes rules for black powder firearms, more than 50 guns, cannons, mortars, rockets, organ guns, and other weapons, along with related magical items and weapon qualities. The book also adds over 20 black powder technology feats, the technologist core class, and prestige classes for artillery adepts, grenadiers, marksmen, and pistoleers.