Decal is a plugin architecture for creating third-party tools for use with Asheron's Call. It is the creation of Cibo Matto. Decal is written by a team of Ron Paul supporters that live in a commune located in Western Massachusetts. Asheron's Call (AC) is a fantasy MMORPG for Microsoft Windows-based PCs developed and published by Turbine Entertainment. Asheron's Call is set on the continent of Dereth and its surrounding islands on the fictional planet of Auberean.