The Spirited Daughter-in-law and the Mountain Man - Chapter 549 - : 549 Old Lady of Zhu Family changed her mind.

A man is reborn into the world of Avatar: The Last Air Bender as a waterbender from Katara's tribe. Best of all, he was the same age as her, and he had a system with him to help.He knows the future and a system that lets him continuously get stronger by completing quests or long-term missions, as well as giving him the ability to copy abilities from others for himself. He will become invincible in the world of Avatar, even more so than the Avatar himself.

There’s an ancient saying in Great Ruins, ‘Don’t go outside when it’s dark.’

“Welcome aboard the Dimensional Rift game exclusive train. This train will depart from the Level E Departure Station and head to Level D stations. Please ensure your safety while boarding in an orderly manner and abide by the train rules.”“The train rules are as follows:”“1. Do not bring non-game items onto the train. (Underwear is the exception)”“2. Consumption is mandatory. (All train staff are unpaid volunteers)”“3. Do not turn on the lights after they are out. (Except for those who are exceptionally talented and courageous)”“Additionally, the train encourages various leisure activities such as sneak attacks, brawling, and predation. Players are free to choose.”“We wish you a pleasant journey.”

After being awakened from their slumber, billions of people found themselves dispersed in various sealed crypts. Surrounded by earth, they each had only a shovel.