2019 · ソースブック（プレイを拡張するルール／オプション）
Aethera Campaign Setting Field Guide I (Pathfinder)
This 220-page Pathfinder supplement explores the planets of the Aethera system and the flora and fauna that inhabit them. It includes dozens of new animal, humanoid, plant, and vermin creatures, each with ecological details, habitats, life cycles, and full-color art. The book also provides playable race options, animal companions, creature templates, mythic lore, and challenges for characters of different levels. Additional content includes alchemical items, artifacts, feats, magic items, gear, and other options for adventures in the Aethera 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）
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