Waving Aura:: 自分's sword aura is like an endless wave
Impossible:: Merely looking at 自分's impossible to do
Unassailable:: 相手's confused about where 自分 is
Imperceptible:: 自分 truly messes w/ all of 相手's senses
Escalation: 自分 only gains momentum to overwhelm 相手
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自分's movements are an endless spiral, having no defined beginning nor end, only endlessly accumulating momentum as it becomes unstoppable
Yet, that is not its only effect, for its endless rotation confuses 相手's senses, preventing any strategy & observation as 相手's forced to fight a battle where they're greatly disadvantaged
Ultimately, 相手 just has no advantage to pivot through to overcome 自分