I can't tell if the author is serious about his non-advice or not.
Since no one is telling Ban off for playing stupid games I'm guessing he's being genuine.
Being able to change air density at will is uhh yeah he's just a walking hydrogen bomb. Author-kun didn't really think these abilities through too much.
His power is interesting but if he runs into someone gullible he just has to say "I can make portals to anywhere appear where I want".
Then shove a portal to Jupiter up the cats ass.
If this was a Christian rapture you probably don't want to meet those who were left behind.
She's so sure that God isn't watching because He probably isn't.