Starting from Grave Digging and Channeling to Achieve Natural Disasters

[Greek + Western Fantasy + Unique Setting] It's another rainy night. There was thunder and dark clouds outside the window. Lorne Downers stopped the pen in his hand, crushed the undead soul beside him, and stuffed it into his own contract spirit. This was the seventh day after he traveled to the year 3000, and he finally figured out three things. First, knowledge is the source of extraordinary power, and knowledge is the feed of the spirit. Second, my ability to channel spirits seems to have something to do with the "death" natural disaster. Third... He looked towards the sky, as if he saw the huge, ethereal, majestic existence hidden in the clouds. Lorne extinguished the kerosene lamp tiredly, closed his eyes, and leaned back on his chair to wait for the dawn of a new day. Third... This is a crazy world, "normal" disappears...