By Day 20, Mack had surpassed regular Hunters. By Day 40, he was stronger than elite S ranks. By Day 60, even Monarch-class beings panicked.
Rumors spread:
"There's something growing out there
"A monster who never fights but gets stronger anyway."
"A threat to every faction."
They just didn't know the truth.
Mack wasn't a monster.
He was becoming one.