American Comics: Borrowed Magic By Skill, Why Should I Return It?

"Magic does not appear out of thin air. To use magic, one must pay a price.""Some ancient secret arts have costs that you would find difficult to bear."Chu Xiu woke up from a nap and found himself transported to Kamar-Taj, becoming a magic apprentice.In front of him was the Ancient One, who was giving a lecture.[Ding! Exorcism system ready!]"Exorcism?""What use is a Marvel world exorcism system to me?"Just as he was about to complain.The Ancient One on the stage gave him inspiration."Those forbidden arts that borrow power from other dimensions and demonic forces.""They may seem powerful.""But in the end, they will only bring catastrophic destruction because the price cannot be repaid."Wait a minute!Other-dimensional demons?Exorcism system?Chu Xiu's eyes lit up, instantly understanding something."Dormammu! I offer my soul to borrow your power!""Eye of Agamotto, with twenty years of my lifespan...""Mephisto..."Chu Xiu began recklessly making deals with the dark gods.Until it was time to repay the price.The demons were dumbfounded."I borrowed magic with my own abilities, why should I repay it?"