The Ivory Sanctum, also known as the Plane of Substance, is an infinitely large castle made of perfectly cut and laid white stone. Everything one desires is here, including the most delicious food in the multiverse, the most beautiful clothing, the most comfortable beds, sparring grounds with perfectly crafted weapons available for usage, angels to attend to every need, and the gods themselves joining the souls at rest here. Every blemish is removed, every fault is corrected, and every worry is removed.