Worldstorm

"When the Worldstorm first stirred in the distant reaches of the earth, the people of the earth were torn asunder and thrown into disarray. For a time, all was panic and terror. But out of this panic and terror and division a new order coalesced, and the four Inclinations were known, and named."
Or so at least one of the old stories has it. Elder Ayn doesn't really know why the Worldstorm comes to wreak devastation on the world any more than the next man. But, being a previsionary, he does know the exact time and nature of his death. He will be murdered, and he will do nothing to prevent the killing blow. He also knows why he has left the splendid academic isolation of Stonehaven and gone out into the world, with his scribe Khollo.
The world's order is breaking down. War is brewing between the Earth and the Fire Inclined. People who can shake the ground with a fist or pull fire...