There's a thread that has a few earth/fire dom builds on. You can use them as a guide or just copy one.
http://boards.cityofheroes.com/showthread.php?t=265338
Morti.
"You wrote that the world doesn't need a saviour, but everyday I hear people cry for one"
Mortilance - Elec/WP Stalker
Sooooo, I need some help with my Earth/Fire dom. I have a rough idea of which powers I should get, but no idea how to slot them because of goofy IO set bonus nonsenser. Relearning this game sucks -_-