I'mma gonna make me a new greensteel thingy. The crafting guide says I need "energy orbs".

http://perfectweb.org/ddo/crafting/b...&altC=0&type=r

What, exactly, is an energy orb? I have no "energy orb" in my ingredients bag, and ddowiki has no entry for an "energy orb". Do they mean energy cells? Somewhat confused...