I Became an Academy Fraudster

Became possessed by an academy character in the game.
[Skill]
[Skill 1]-[‘Copy’ – You will be able to copy the skill you saw once.]]
[Skill 5-Lock]-[‘Traces of the Sword Master’- You can use the Sword Master’s swordsmanship.]
…
[Skill 10- Lock] [‘Instant Death’ – KiIIs the target instantly.]

However, it is covered with scam skills.