Smith’s Shield Generator
4th Level Abjuration
When you are hit with an attack you may as a reaction, create an invisible barrier of magical force to protect you. Until the start of your next turn, you have a +5 bonus to AC, including against the triggering attack, and you take no damage from magic missile.
At Higher Levels: If you spend at least 6 points to cast this, your shield protects your allies within an area, they will also recieve the +5 AC, provided they stay within range. The range is 10ft cube per 2 points spent.