>>7602741Prime is not a universal applicator of concepts.
>Let's say I have a walking stick and I want to apply the concept of "Battering Ram" to the stick. My intended effect is to be able to whack a door with the walking stick and have the door blow open in a shower of splinters from the broken door frame.For this, you would use Forces. The sample Forces 2 spell "Kinetic Blow" can enhance unarmed attacks or weapons by increasing their kinetic energy.
>>7604509Permanent spells are very, very difficult to achieve. To make a spell permanent, you generally need to spend plenty of "Reach," raw spellcasting upgrades, to do so. The more mastery of an Arcanum you have, the more Reach you can spend. It probably has to be ritual-cast, too.
Life 2 is generally enough to change a person's appearance. The sample Life 2 spell "Mutable Mask" shows that it can be done. However, for a permanent effect, you would very well need more dots in Life as well as greater spellcasting power in general.
These are some sample spells as benchmarks:
http://wodcodex.com/wiki/Spells,_All_(2nd_Edition) 