The planes are not as literal as our world. Clothed in the elemental chaos are places of stranger stuff than air and water. Here, rivers of time crash upon shores of crystal fear. Bleak storms of nightmare roil and churn in a laughter-bright sky. Sometimes, the spirits of these places can be lured into our world, though they are infinitely more unpredictable and strange than mere fire or earth might be. Easier to make mistakes, too—one might try calling up a wealth elemental and be surprised to find a murder elemental instead. Instinct: To perfect its concept

• Demonstrate its concept in its purest form