Rise of the Undead Legion - Chapter 51 Bringing them terror!

Baek Yigang is a son of the Baek Clan, one of the seven great clans of Zhongyuan. Afflicted with the Taiyin Qi Blockage, he is cursed with a shortened lifespan and the inability to collect internal energy. He had been peacefully spending the rest of his days indoors when he was ambushed by a group of masked people. During the ambush, he lost his servant who was like a sister to him. Chased by the attackers, Baek Yigang escaped through a secret underground path. When he came across a blocked path, he decided he’d at least die fighting and picked up a rusted sword that was stuck in the ground…

Lin An's life underwent a drastic change.The basketball under his bed had turned into a bleeding head, which would hop next to his pillow and hum softly by his ear at midnight. The subway racing into the station had become a gigantic lizard, opening its gaping maw, waiting for him to line up and feed it.The world was not as simple as he had imagined. Behind the bustle of the city, the Witch Hunter Knights roamed in search of evil wizards to slay.The ordinary worker, Lin An, inadvertently became a member of the Antler Witch-Hunting Knight Order, shouldering the glorious mission to protect humanity.He must be careful, careful, and then even more careful.Careful not to reveal his true identity as a wizard.…“Why Hunt a Cowardly Innocent Wizard?!”

She had a lifetime of fake virtue without receiving a virtuous ending. In the next lifetime, she controls fates with the flip of her hand. To the jerk who wasn’t faithful, she’ll draw a premature death talisman for him. For the poisonous step mother, she’ll send a death flower. For the step sister who is two faced, she’ll personally rip off that fake pretty face!

But when she personally offered up her body to her nemesis because of a child who she had no fate with, something unexpected happened. The night of the big wedding, the groom changed and a cold and luxurious man pushed her down. “You can marry whoever you like, but you can only give birth to my children!”

- Description from Novelupdates

What the hell is this? What the hell happened here?