The most challenging maps for you.

Elven Fury. I downloaded it once. I opened it in the editor. Maybe I'll try it sometime. There's a Rampart in the center with a bunch of fairy dwellings, and you need to break through and defeat all the enemies. The forest's visuals are very vibrant and pleasing to the eye. I don't know about the difficulty. Probably, you need to gather a huge horde of these fairies and fight, fight...