[And here, Ken wondered if he should have said that or not. Based on Jack's voice, he struggled to find the words on what to say next.]

A world where you have to fight creatures only certain people can experience.

[He said in a voice that incident he felt guilty.] If I didn't join, there would be a lot of people who could have gotten hurt and they wouldn't know why.

[There was a little more to it than that but he'll just stick with that for now]