(but any mana that was put in will be gone) If the player fails to put in the required amount of mana, nothing will happen.
Normal spells like teleportation require a set amount of mana.
There are three types of spells: normal, chargeable and investment spells. Mana can be restored with potions of magic energy, eating dragon root/raven herbs/stone root/dark herbs or by sleeping. Magic can be used by anyone using one-time spell scrolls or by magicians using runes that can be re-used as often as one likes, but which runes can be used depends on the magic circle the player has.