"Surprisingly! No more words once we're out!" He yells back, continuing to run, and they exit the forest about five minutes later, heading at a breakneck pace to the portals. Their enhanced endurance easily lets them keep going at full speed for a long time, and they make it through the forest without a hitch.
Now... The only problem was carrying the elves up the damn mountain...
Perhaps Phorsaal, being an Eidolon, could transform into a large, winged creature?