Old Demigod = Strong Demigod

"That's the perfect answer."

"Today's topic, [Elemental Resistance], is related to [Resonance]."

"Let's say, Arthur here has Lightning affinity.

"The higher his mastery is in lightning affinity, the more resistance he has to lightning.

"This proves that for the element we possess, mastery is equal to resistance."

The students continued to take notes during the lecture. 

The ones belonging to the non-God Clans were frantically writing, while those from God Clans were relaxed.

They had already been taught about this.

"What about the other elemental affinities?

"We have resistance against them thanks to Resonance, but does this mean we can't increase those resistances? 

"No, that's wrong. It is possible to increase the resistance for the partial elemental affinities."

Professor Evelyn wrote three big letters on the blackboard with the chalk: 

[AGE]