A power hungry being from another world is trying to open dimensional rifts to acclaim more power but something bad happens in the process. She and an unprecedented guest wind up in a planet, filled with ponies.

A Heroes of Newerth x MLP:FiM thing I thought of while idly trying to spend time on the internet.

and no, no character explosion, no 100+ heroes vs 19023812371821857 ponies thing :v