Schist Corundam Summary Name engraved on a Dwarven life-stone traded from Trefko; likely a dwarven individual (given name Schist, clan Corundam). Appears In Session 29 - The Tower of Scrutiny Session 28 - Teleport Rugs and Baboons Session 23c - Set Jailbreak and Down to Goblintown Session 7 - Why Did It Have to Be Plants?