The professor is an Occult Illusionist?
Angor read about dozens of different branches from this art. Such as the Mirage branch which controlled the weather, the Sorcery Array branch which combined alchemy knowledge, the Truth Manipulator branch that confused real with fake, and the Transform branch that could take on many different forms… So which branch could he study?
The spirit reached out a hand which then released a green light. A tree branch slowly grew from his palm and moved toward Angor. Under the boy's surprised gaze, a fresh green sprout popped out from it.
"Eat the leaf," said the spirit.
Angor picked the newly grown leaf and swallowed it without a second thought. When the leaf reached his tongue, it turned into some cold and refreshing fluid, slowly flowing down his throat.
Next, green light shone from Angor's body. He could almost see green blood flowing under his skin. Even his brain felt cool and comfortable.