Ambercryst was a substance made of fossilized bone marrow found on the Ossein Plains on the Boneworld.[1]
Appearances
- The High Republic — The Blade 1 (Mentioned only)
Sources
Porter Engle Settles a Dispute in Marvel's Star Wars: The High Republic – The Blade #1 – Exclusive Preview on StarWars.com (backup link) (First mentioned)