Whether it's by gorging on mercury or shoving one's soul into a cramped box, cultivators have been willing to destroy their bodies in pursuit of eternal life. The Black Market Guide to Immortality offers all ambitious seekers of imperishability practical, surefire solutions to avoid such ironic ends.This 200+ page 5e/Pathfinder 2e sourcebook expands on the worldbuilding established in Undying Corruption, the Korean mythology-inspired campaign book, into the far East Asian region. Inspired by China, Japan, and Korea and their rich histories, mythologies, and religions revolving around the obsession for immortality, it lays out the most mystical secrets of the Undying Corruption setting's divine world.

In this book, you'll find:

• 5 new species/ancestries based on mythologies and folktales from China, Japan, and Korea

• 13 new subclasses for each existing class plus our homebrew Tactician class, with Pathfinder 2e conversions

• A bestiary of 50+ new monsters from across East Asia

• 20+ new legendary items and artifacts from East Asian mythologies

• Secrets of everlasting life and the many (and very illegal!!) methods of achieving them, documented!