Abomination Appendix Vol. I: Underground Monsters

A fantasy roleplaying bestiary providing OGL-compatible alternatives to classic monsters that cannot normally be used. This volume focuses on creatures found beneath the surface, including burrowers, cave giants, kongamoto, merrow, miasma serpents, avesa rakshasas, and tunnel brutes. The rules are primarily based on second edition conventions and use a single-save system.

레벨 기반(XP를 획득하여 레벨업)클래스 기반(파일럿, 마법사, 과학자 등)종족 기반(플레이어의 종/종족이 게임 플레이에 영향을 미침)