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The Ultimate Skill Prideful Skill Lucifer「傲慢之王 (ルシファー), Gouman no Ou (Rushifaa)」is used by Demon Lord Guy Crimson.


The user can copy another Ultimate Skill but the user have to see it. If the user analyses the Ultimate Skill, it could be reproduced into 90% of its True Potential, but if the user doesn't analyze the skill then it could only use 40% of its true potential.

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