D20r:Wizard

'''4th Level Mystery:''' You add 1/2 your class level (minimum 1) as a bonus on all Knowledge (arcana), Spellcraft, and Use Magic Device checks. You can always take 10 on Knowledge (arcana) and Spellcraft checks, even if distracted or endangered.

'''8th Level Mystery:''' You gain the ability to change arcane spell energy into arcane fire, manifesting it as a bolt of raw magical energy. The bolt is a ranged touch attack with long range (400 feet + 40 feet/level of archmage) that deals 1d6 points of damage per two caster levels (round down) plus 1d6 points of damage per level of the spell used to create the effect.  

'''12th Level Mystery:''' You may take 10 on Caster Level checks.

*Increase your Caster Level by 1 when determining your effective Caster Level for dispelling or counterspelling.

*Increase your Caster Level by 1 when determining your effective Caster Level for overcoming Spell Resistance.

*Increase your Caster Level by 1 when determining your effective Caster Level for determining spell durations.