I Transmigrated to Another World, but My Intelligence Is 9

The otherworldly continent of Retania is facing its darkest hour, on the brink of destruction. To save their imperiled world, Retania's High Council decides to summon chosen individuals from other parallel worlds.

Zhang Xuan, an utterly ordinary college student, had been living an ordinary life when the wheels of fate suddenly turned. Forced to be transported to Retania, he gains a growth ability with tremendous potential. Yet fate seems to be playing a joke on him: in this world where magic reigns, his intelligence appears to be permanently stuck at 9.