What's Wrong with a World of Illusions?

The Mushroom World collapsed, and its ruins fell into Blue Sea Star. Strange and uncanny mushrooms descended. To survive, you have to cultivate with the uncanny. Succeed, and you can unlock the "Dao Body Aperture"; fail, and you'll die with your lamp extinguished. After transmigrating to another world, Blue Sea Star, Qi Delong gained the ability of "Fantasy." He can use all sorts of techniques on himself or other people, including reading minds, interference, and illusions. What's more, absorbing other people's nourishment lets him strengthen himself and grow more powerful. So how is he supposed to get other people's nourishment and use it to become stronger? When the "uncanny Daoist nun Su Youli" suddenly appeared before him, her impressively open and sincere heart filled him with a desire to explore.