The First Saint of All Heavens

[Traditional fantasy + no system + single female protagonist] Traveling through the fantasy world, at the beginning, you go to the wedding hall to get married and prepare to enter the bridal chamber. The confused Yang Fan awakened the power of the ancient beast because of a mark on his chest! Awaken the power of the ancient true dragon, transform into a dragon, swallow clouds and spit out mist! Awakening the power of the ancient divine phoenix, the immortal fire burns the sky! Awakening the ancient times... My name is Luo Yunyi. I am the reincarnation of a former empress. I originally chose to marry the descendant of my benefactor just to repay my kindness and hide myself. Who knew that this descendant was not stupid at all and would give me... I regretted it endlessly, but after constant contact, I truly realized that this husband-in-law can be dealt with, and he will really help me when I need something!