User blog comment:GotMilk5101520/How will the Tartarus Arc Part 4 will end?/@comment-5872903-20140709074853/@comment-74.61.219.92-20140710194717

I don't think she is out of magical power just yet, just running low. She tried to get up and fight but Natsu told her to stay down. She more than likely doesn't have enough magical power to summon the Spirit King But I think she has enough to summon 1 or 2 more spirits.