86--EIGHTY-SIX - Chapter 1Vol 2. :

An avid Xianxia reader suddenly has his dream come true—he wakes up in a world of cultivation. The only problem? Maybe it wasn’t really his dream after all.Now, faced with the daunting reality of countless cultivation realms to climb, countless worlds to ascend through, and countless arrogant young masters to deal with, despair begins to settle in.Fortunately, a glimmer of hope appears amidst the chaos: a mysterious system that could change everything.Armed with elders, ancestors, and a sect leader—who are all actually his own avatars—he no longer feels completely overwhelmed.“At least I don’t have to do it all alone… well, technically, I do. They’re just avatars, after all.”

Vincent Strider was a gun for hire who made a living by killing whoever it was his clients wanted dead. But during one mission, he died in a fierce gunfight. However, death was not the end for him. Vincent found himself reincarnated in another world, facing a floating interface that flickered before his eyes.[Synchronizing Host!][Military System initializing.]Vincent found out that in this system he received, he can summon soldiers, tanks, aircrafts, and even warships! This is going to be exhilarating.

The low-ranking behemoth, the iron mountain is invincible in the horizontal push, and it is called the king of the backing.

- Description from novelbuddy

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates