User blog comment:VedranTheII/Pretentious Diaries 2: What tricks would you teach your Aura?/@comment-25479664-20151104185638/@comment-24993958-20151105102513

Passive semblances can exist, but even they seem to be activatable in some fashion, such as Yang releasing her stored strength or Nora activating her muscle spasm thing by, preseumably, using the bodies naturally generated electrivity.