Stone is one of the main resources in the game. It is gathered by [[knights]] and [[builders]] through mining of [[Rock]] which gives you 2 stone each time you mine it and [[Thick Rock]] that gives you 4 stone each time you mine it and can be used by the [[builder]] to construct various [[Blocks#Buildable Blocks|buildings]]. Builders will pick up stone automatically, while archer and knight need to do it manually by pressing the [[Controls| drop and pickup key]]. The same key can be used to drop resources for the builder. Any class can also use stone to upgrade the basic [[workshop]] room constructed by builders into functional [[workshops]].