After a period of adjustment on the ship, Nina had become accustomed to the minor difficulties that arose during her reading and studying — which included but were not limited to the shadows that bubbled up from the Spirit Realm, the demons that emerged from the Mysterious Deep Sea, and the mutations of the books themselves. Coupled with continuous rigorous training, she had made significant progress in controlling her own power.
Specifically, even if she unleashed a kick with a temperature of 6000°C, she could ensure that the bedding on the adjacent bunk wouldn't be ignited.
A dazzling brilliance flashed by, and a demon from the world's depths was reduced to ashes under the power of the sun without even leaving a burnt smell in the air — only the warm scent of the noonday sunlight that cozily heated the bedding.