When Jiang Kai drank the class change materials, at first he felt a warm current flowing down his throat, but soon he realized things weren't that simple!

The class change materials contained the Fire Calamity Pearl, Flame Calamity Pearl, Water Calamity Pearl, Ice Calamity Pearl, Earth, Gold, Thunder, and Wind Calamity Pearls, plus the Heaven Mending Liquid.

At this moment, Jiang Kai's internal organs were suffering intense pain.

Sometimes his whole body felt burning hot, as if on fire, while other times he felt so cold that even his blood seemed to freeze, and sometimes he felt as if his entire body was being struck by lightning...