Board Thread:Off Topic/@comment-24993958-20150615093256/@comment-25396609-20150629040158

Well, for one, being in bright light would make the shaow stronger if it was only on one side of him. and for 2, it's basically a slightly improved version of the Nara family shadow techniques from Naruto.

You can go up to 3 days without sleep before hallucination, 2 weeks before your brain burns out. her semblance allows her brain to recharge itself constantly without sleep, but that can only go so far, so she does have some symptoms of minor sleep deprivation, namely the slight paranoia and moody-ness