Talk:Light Novel Volume 18/@comment-144.118.235.81-20180217051029/@comment-4976518-20190622022421

He's thinking that because it would make sense.

Naofumi unlocked Wrath.

Ren unlocked Greed and Gluttony. (and Wrath, but let's ignore that!)

Motoyasu unlocked Lust and Envy.

Itsuki unlocked Pride.

Kizuna having Sloth also makes sense from how her weapon works. She said she could injure non-monsters, but she had to be creative. Sloth = lazy, hence damage!