Philosopher's stone, Little Alchemy Wiki

Philosopher's stone is an element found in Little Alchemy 2. It is available to unlock after purchasing the content pack Myths and Monsters. Immortality + Rock Immortality + Stone Immortality + Alchemist Philosopher's stone is used in recipes of: Air + Air → Pressure Earth + Pressure → Stone Immortality + Stone → Philosopher's stone

Magnum opus (alchemy) - Wikiwand

Sorcerer's Stone: A Beginner's Guide to Alchemy

The Art of Alchemy: Inner Alchemy & the Revelation of the Philosopher's Stone (The Sacred Mystery): Sarom, Gabriyell: 9798438968986: : Books

I think I may have figured out where Marlo got its name from : r/WelcomeHomeARG

Found: Isaac Newton's Recipe for the Philosopher's Stone - Atlas Obscura

Giant in the Playground Forums

Immortal Life – The Philosopher's Stone

How to Make Stone in Little Alchemy 2 - Try Hard Guides

Magnum Opus (Alchemy), PDF, Alchemy