At some point, the whole process of thinking disappeared. I just memorized the English vocab words as I turned the page. It was like I was a machine.
Suddenly, I felt a ringing in my head and my concentration was broken.
The focus skill was released.
I was able to immediately determine the reason.
‘My mana is all used up.’
How do I know? It’s like asking how you know you are out of stamina. You just feel it with your body.
Just as you would use stamina when using your body, when you use a skill, you use up your mana.
I could see the bright sky outside the window.
‘It’s already morning?’
It was around 1 a.m. when I set the alarm for the second skill upgrade. Somehow five hours had passed since then.
Holy crap! I can’t believe I studied for five hours without taking a break.
The m
