![](https://pic1.mangapicgallery.com/r/avatar/95/u909183_50x50.jpg?2)
SPOILER
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No this isn't the last arc (i checked the novel).
Yes the problem will get resolved (bc they almost died). It's been said that the condition is actually dangerous since it affects worldview cognition. Like the kid who almost jumped from a building bc he thought he was superman. Or during the poseidon arc when MC was scared that mr. dior would throw him into the sea...
It's still HE tho don't worry
Is this the last arc?