We started a fierce fight with that demon. I had already used all my summoning energy to summon Rita, so I couldn't summon anyone for my help. With my evil smile on, I punched him with power. I, Ryuken, and Shina all stabbed the demon with our swords.
Hopefully, the real Kai arrived. Using his black staff, he burned that demon from his chest. With our wings and a behind-the-scenes smile on our faces, Shina asked me what was happening. Ryuken told me to explain everything. I said, "Let's go back to yesterday night, where I saw a demon spying on Kai and copied his body. I figured out that he is going to kill and take his place. I called Kai and told him everything and also told him to act like he wasn't fit, so he couldn't go for classes for some days. Everything went as I planned."
The demon took Kai's place and was trapped in my game. I figured him as a demon by the device that I gave to all of you, which Rita saw last night because the demon wasn't wearing the wing.
Then I introduced my dream: that I felt the demon emperor all the master magicians and warriors couldn't defeat. He has 10 legendary commanders; they have no names; they are only called by their numbers. But in an ancient book, I read that only a specific power can defeat them.
Master ring can defeat him, but not completely; the Wing only can seal the demon emperor with his commanders for a thousand years. Ryuken gave me an emotional speech: "You are the last hope of humanity, and you have to unlock all servants and skills of your wing." I replied with the Wing, "I will defeat him also with my self skills." They all started laughing to tease me.
To defeat the demon emperor, we have to form an army. Using the academy, we can form a clan to do that. The next day, I visited a shopping mall with my "always hungry friend." I have to feed them. But Ryuken satisfied me by showing his credit card with a zero limit. After lunch, Ryuken announced that we can buy anything; he will pay for us because he is very happy today. We all started to find expensive things like animals we run in the mall.
Kai selected an expensive thing, a "magical bow packet of noodles" for me. Then I selected a "speed boasting potion" for me. Ryuken paid for all these things; I was shocked. When I returned to my room, I drank the potion and sat for cultivation. I combined that power with my elemental magic, then created a new skill, "Thieve swift," in which I can run at a speed of 500 km to 1000 km per hour. After testing it, someone fired a bullet at me from a building's window!