Myriad Realms Gatekeeper

Planets dying, gods falling. “Anomalies” and “Calamities” invade the human world. As a dark age descends, Shen Ye finds himself flung into this strange new reality. To his surprise, his power is to summon a door – a door leading to countless worlds, offering him a chance to adventure and train across the multiverse! Beyond the door, he encounters a mysterious skeleton with an unknown past… — Description from novelcodex.orgFull novel: Myriad Realms Gatekeeper — read the rest free on N​o⁠v​e⁠l​C⁠o​d⁠e​x⁠.​o⁠r​g⁠