Dragons

Initially, Khan believed that reaction to be one of the Nak's tests, a final trial challengers had to overcome to prove themselves worthy of inheriting the mana.

However, Khan quickly dismissed that idea. He had Liiza would have sensed a deep-seated will in that pure energy. That reaction had to originate from something else, which wasn't hard to find with the couple's incredible perception.

Those dragon-like creatures were more than simple masses of mana that had taken a specific shape. They weren't like Khan's cloud spell or the strange lifeforms he had fought on Chuwei.

The mana didn't just gather and condense. It built muscles, organs, joints, tendons, bones, and blood vessels, perfectly recreating actual living beings. Everything was still made of that energy, but each fake tissue performed a specific function.