"I- I'm sorry, but I have never seen, nor heard of a portal like this before. I've only seen one that occurs naturally, but i-it's nothing like this," she said waving a hoof towards the tree. "Opening one takes a tremendous amount of magic, and... I'm sorry, but I don't have that kind of power." Rarity felt horrible after seeing the disheartening look on his face. He released her from his grip, and kneeled down looking utterly defeated.