Invoking the power of the Lesser Ward draws a little of the empty night of the Dark side into the Mage, making all magic difficult. The Mage gains Magic Defence equal to 1 + Level / 4. The power that the Mage holds in the Ward affects himself as much as anyone else, the casting penalty for Maintaining this spell is increased by the Magic Defence gained.
power1 companion can share the power for every 2 Power Levels