After all these years of sealed imprisonment, Lazarus' condition was getting worse. Knowing that he had no chance of getting out, he had accepted it with peace. His only worry was Lamia.
"Okay, you have my word," Sebastian promised.
Then, Lazarus placed the Mayhem Tower on the ground and pointed a finger at it. Immediately, the tower blew up more than ten times the size, and a door opened slowly.
Taking the lead, Lazarus stepped in, and Sebastian hurriedly followed after him. Sebastian's eyes lit up at the scene which greeted him inside.
The interior was brightly lit and spacious. It was more than 10 thousand square feet, and a staircase leading to the second floor was in a corner.
The space on the second floor was smaller—about 6500 square feet—and the third floor was even smaller, less than 4300 square feet.
Lazarus sat on the floor and gestured at Sebastian to do the same. "How much do you know about formations and barriers?" he asked.
Sebastian summarized his knowledge on the subject to Lazarus.
"You're an amateur!" Lazarus concluded.
Sebastian scratched his head awkwardly. Whether it was the previous world or Coreland, both had entered the Dark Age. There was little knowledge on formations, and a lot of heritage was lost.
The knowledge he had was from some ancient books. Nobody guided him, and he didn't study it extensively, so his level was way below average.
Moreover, it was Lazarus in front of him. It was normal that he was an amateur to Lazarus.
"It takes time to learn formations, and it has to be done step by step. After this, I'll start explaining from the basics." Lazarus was very detailed and patient.
In a blink of an eye, one month passed by. Sebastian had a deep grasp of the basics of formations, and Lazarus started to let him set up some basic formations.
Barriers were similar to a protective energy field. It could protect people and things within a certain area from harm and also trap them in a restricted area.
On the other hand, restrainings were usually set up on people or things to restrict or restrain them.
Once Sebastian learned the basics, he could learn everything else easily, and his understanding of barriers and restrainings reached a similar level to his formations.
As long as his cultivation was up to par, it wouldn't be an issue for him to set up a fifth-level formation.
Sebastian wasn't sure about the level of the barrier at the exit, but according to Lazarus, he couldn't make it out with his current cultivation even if he knew the method to break through it. So, he had to continue learning.
In addition, Lazarus taught him methods to refine pills because he had finished all his pills over the last ten years.

Comments
The readers' comments on the novel: Remorse After Breaking Up (Sebastian)
Update please for 600+ chapters...
Please update chapter 601 and more..thank you...
Please update chapter 601 and above....
Please send chapter 601 and above. Seems no update for quite some time....
Are there anymore chapters after Chapter 600?...
Good...
Is their a way to contact admin?...
Please update on when ch231 onwards will be released....
When is the next chapter after 220 coming...
I hope the in chapter 191.that Sebastian and Lilian would make up...