Beginner’s Test for Infinite Power - Vol. 1 Ch. 26

[MangaDex]

 

[krispy]

So instead of helping him control that problem they lock it up so when he is forced to fight he just dies

 

[koronesnake34]

the story is becoming weak

 

[jauharzahari]

7 years timeskip and the only thing changed is his size. And then he will get the sudden power up.