A creature that is alchemically invisible also suffers from bouts of madness as a result of its condition.
Section 15: Copyright Notice – Pathfinder Campaign Setting: Rival Guide
Pathfinder Campaign Setting: Rival Guide. © 2011, Paizo Publishing, LLC. Authors: Brian Cortijo, Adam Daigle, Tim Hitchcock, Brandon Hodge, Colin McComb, Jason Nelson, Amber Scott, Neil Spicer, and Todd Stewart.