2016 · ソースブック（プレイを拡張するルール／オプション）
Advanced Gillmen
This roleplaying supplement presents the gillmen, an aquatic race created by aboleths and now seeking freedom while building a home in the underwater realms. It includes racial traits, alternate racial traits, and character traits, along with 17 class options, five feats, new spells and psionic powers, magic and mundane items, and two deities. Additional guidance covers gillman adventurers and incorporating the race into a campaign setting.
スキルベース（スキルを購入または獲得）属性／ステータス制（STR、CON、PERなど）レベル制（XPを獲得してレベルアップ）
ゲーム情報（人数、プレイ時間、対象年齢、クレジット）の出典：BoardGameGeek。