Board Thread:General Discussion/@comment-4621372-20121210203025/@comment-5018798-20121211192655

Seems good classification. However there is one problem. Conservation of energy. If the supply of energy a magician has availible is unlimited but the complexity of the spell is the limiting factor then what is to stop a magician using a simple spell to destroy an army (pinching a blood vessle in the brain. Is there a range to spells (Does the amount of whatever is needed increase with distance?

These questions are posed by all who use magic in writing. So far (and I am something of a fantasy nerd) the best explanation I've come across is in Paolini's Inheritance Cycle.

See: This article on Inheriwiki.