Mana Shield

A controlled concentration of mana around the user that neutralizes kinetic energy by absorbing it. Can be set to absorb thermal and electrical energy as well. The following capabilities are calculated for a fully grown human male with 5% spell efficiency against objects with a density of 1 g/ml, providing 50 liters of shielding. Though it is possible to increase the volume of shielding by using a less dense shield and the spells efficiency may vary between vastly but in most in cases there will be an efficiency of 2.5-10%. Please note that time is needed to stop an object moving within the shield so an object that is moving too fast will be able to pass through. Furthermore the shield only acts on objects inside of it so if most of an object is outside of it then it may fail to stop the object even if its speed is lower than rated here.

5% efficiency; object 1g/ml; 50 liters.

Minor: Pure mana at 1-10 AMP; shield 10-100 kJ/liter; speed limit 10-31.6 m/s.

Can be used to slightly lessen the blow of melee attacks. Convenient during combat as a way to stop debris from getting into your eyes. Oftentimes mages use it to keep themselves dry under rain.

Intermidiate: Pure mana at 10-1000 AMP; shield 100-10k kJ/liter; speed limit 31.6-316 m/s.

The shields are now strong enough to slow or completely stop melee weapons from hitting the caster. When cast with enough mana the spell is capable of stopping bolts and arrows or slowing them down. Works well in conjuction with armour. Less energy the projectile has the less the armour penetration.

Major: Pure mana at 1k-10k AMP; shield 10-100 MJ/liter; speed limit 316-1000 m/s.

At this level usually the caster only has to fear an arbalast, a catapult or something going really fast like a 20mm Diamond APFS Bullet.

Great: Pure mana at 10k-1000k AMP; shield 100-10k MJ/liter; speed limit 1-10 km/s.