He hadn't known Magra could do that, but the head's up is greatly appreciated. There's no time to waste with asking if Magra can stand, so Eren just follows Heiji's suggestion, lifing her up to carry bridal style. "Sorry about this!" he says only afterwards.

With the path now cleared, he heads for the door. They're so close! In a last ditch effort to stop them, another vampire lashes out from the side, but by now it's too late. The two of them make it through the doorway in a manner much akin to sliding to home-base.