Three Arch Demons

Of course, Final Spear is only meant to be used as a last resort with the intent of killing opponents in a single move. 

After all, it was blasphemy to spear-users to throw away their weapons.

Nevertheless, Leon's reveal also surprised Aria. 

"Where did you find the time to learn a spear technique like this?" Aria inquired with a curious look.

Although Aria had not always been around Leon, she followed him for some time. And during that time, she had never seen Leon demonstrate such a move until now.

"I'm always training via virtual simulations in my mind while I do other things with my body. Even now, I am training in my mind," Leon casually answered with a smile.

He had too many abilities; he wouldn't be able to train them all using normal methods.

Nevertheless, his dual consciousness only allowed him to perform up to two tasks at maximum efficiency simultaneously.