Invoking does, in fact, require the expenditure of a fate point unless the aspect in question was just recently created by you and this is the first (or second, with a success with style) invoke of its existence.<br/><br/>The barrier I will allow, though it remains to see whether or not it will hold, of course.<br/><br/>Due to some real life obligations, I will not be able to get up a proper post until this evening, at the earliest, if not tomorrow. Sorry for the delay!