Well yes, I know the references you're referring to, but I saw it as if a thm bottoms out so that they can't even cast an ice spell, or sometimes two, to move themselves into Umbral ice, then they could use an ether to boost them to the point to cast that spell. And when it refers to withdrawing when your reserves are spent, that it means withdrawing until your umbral ice has sufficiently replenished your reserves to move back into Astral Fire. 
I'd spoiler myself, but I don't know hot to make that script work. :/
I'd spoiler myself, but I don't know hot to make that script work. :/
