The missing piece (Part 1)

"What are you missing?" Qiren asked but Eldrian did not reply as he was deep in thought, considering everything he knew. 

'Mana... It really is tricky to say what it is exactly. I think I was wrong in simply considering it as free energy. Sure, it is, but not always. I think I was doing something similar to considering light only a wave. But it is also a particle!' 

'If I am correct, then it is similar to how light acts as a wave and a particle. It can be either, but it isn't both at the same time. Or- how did it go?'

'Regardless, I think mana is similar. But even more complex and split...' Eldrian paused and pondered this for a while. 

"Qiren, can you explain how light works, oh, and also how electrons work. I saw a video saying that it is also a particle and wave, like light."