Ranking battles were a huge chance for Eren to get used to his custom-made time-element spell.
The state of epiphany had made him alter the sequencing of the spell's mana points. The changed algorithm had basically made it deviate from the original Sedated Perception, cross the boundaries of a four-star variant, and the rate itself as the sole five-star spell that didn't have any lower star counterparts.
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The five-star spells were special in a way that they couldn't be executed by everybody effectively. Only certain people who were in sync in both body and mind with the creator of the spell could execute the said spell with its five-star alteration effectively.
When a ranker who is not the creator of the spell gets their hands on a five-star variant of it, they would always fail short of bringing forth its true prowess demonstrated by the original creator.
