Unfortunately, translation's up to raw and there's no ln
SPOILERS! The president is the one who has the lie detector ability that's why he's so sure about the information he gave. The mayor, secretary, and two other guys will go inside the cave with the 3. The secretary has the ability to copy abilities. She copied the healing kid's ability before they went inside the cave. One of the two other guys has a floating fire/light ability that they use as their light and the other guy has the ability to communicate with others like calling them but it's not telepathy. And yes, the mayor is pretty much useless. He's just screaming and telling the ants to shut up. They find the queen ant right about the end of ch 58.
I read it in Naver webtoon just up until ch 58. ╮(￣▽￣)╭
Any spoilers?