Hastur
System: Pathfinder | SRD | Alignment: CE
The King in Yellow
Pantheon: Great Old Ones
Areas of concern: Decadence, disorder, nihilism
Domains: Chaos , Evil , Rune , Void
Subdomains: Dark Tapestry , Language , Stars , Wards
Favored weapon: Rapier
Symbol: The yellow sign
Sacred animal: None
Sacred colors: Yellow
Obedience
Spend an hour in absolute stillness, meditating in an area surrounded by rich furnishings and dressed in elegant and expensive clothing and jewelry. The total combined value of your clothing and the furnishings of the area within 30 feet of your meditation spot must be at least 1,000 gp per character level (magical items do not count in determining the overall value of your surroundings unless they are particularly ornate, in which case only the value over and above the item’s normal cost counts). Alternatively, you can perform this obedience in the presence of an active Yellow Sign. If you know them, you must silently recite lines from The King In Yellow as you meditate—otherwise, you can simply concentrate on nothingness. You gain a +4 profane bonus on all Perform checks.
Source: Pathfinder #110: The Thrushmoor Terror pg. 73