An ancient art that Many would call mystical science. It involves the process of changing the forms of matter by understanding it then decomposing and reconstituting it either using classical chemistry equipment or An Alchemical Array. The basic rules of conservation of mass and energy apply in that the output of any given reaction can not be greater than the input. Trying to Ignore this principle is extremely dangerous and often fatal to whomever is foolish enough to try. The origins of alchemy are not entirely clear, It is believed to be a gift left behind by ancient scholars and scientist from a past age. It is known that a special chalk is required to make a functional alchemy array. This chalks distribution is carefully controlled by the guild and its recreation has proven unsuccessful by any but the guild itself do to one of the chalks ingredients being unidentifiable.
Alchemy has been the boon of Arkham for as long as history can remember and most believe it is the reason why Arkham holds such a strict Isolation policy. To make sure the rest of the world doesn’t unlock its secrets and use it for mass warfare. Though many aspects of the alchemical craft are not fully understood, every day many alchemist aspire to solving its many mysteries. Indeed even some noble houses such as House Algol specialize in seeking out the “truth” of Alchemy