Premise: An enhancement tree for casters that empowers spells pertaining to their character's spell focus'.
Benefits: Allows for more in-depth, earnest specialization, and new, interesting choices for AP distribution that features real trade-offs, and supplements caster usefulness in Epic content, particularly for Save or Dies/Save or Sucks.
The Mastery Enhancement tree for any spell school is opened by obtaining the Spell Focus' for that school. It is as follows:
Overwhelming Focus Branch: Increases the DC and Spell Penetration of all spells from the chosen school by 1 per level.
4 AP: Overwhelming Focus I
Prerequisites: Spell Focus, AP 4
6 AP: Overwhelming Focus II
Prerequisites: Spell Focus, Spell Penetration, AP 16
8 AP: Overwhelming Focus III
Prerequisites: Greater Spell Focus, Greater Spell Penetration, AP 30
Enhanced Focus Branch: Each level increases the damage, duration and variable effects (such as Ray of Enfeeblement's Strength reduction) of spells from the chosen school by 10%
1 AP: Enhanced Focus I
Prerequisites: Spell Focus, AP 0
2 AP: Enhanced Focus II
Prerequisites: Spell Focus, AP 10
3 AP: Enhanced Focus III
Prerequisites: Greater Spell Focus, AP 21
4 AP: Enhanced Focus IV
Prerequisites: Greater Spell Focus, AP 33
Exalted Focus Branch: Each level increases the effective caster level of all spells from the chosen school by 1. These increases in caster level are not subject to the normal caps on caster level for benefits that scale with caster level (such as Scorching Ray's number of Rays, or Fireball's number of damage dice).
2 AP: Exalted Focus I
Prerequisites: Spell Focus, AP 0
4 AP: Exalted Focus II
Prerequisites: Spell Focus, AP 10
6 AP: Exalted Focus III
Prerequisites: Greater Spell Focus, AP 21
8 AP: Exalted Focus IV
Prerequisites: Greater Spell Focus, AP 33
10 AP: Exalted Focus V
Prerequisites: Greater Spell Focus, AP 46
Quickcast Focus Branch: Decreases the casting time of spells from the chosen school by 10% per level, and decreases the DC of Concentration checks for those spells by 2 per level.
2 AP: Quickcast Focus I
Prerequisites: Spell Focus, AP 0
4 AP: Quickcast Focus II
Prerequisites: Spell Focus, Quicken Spell OR Greater Spell Focus, AP 10
6 AP: Quickcast Focus III
Prerequisites: Greater Spell Focus, Quicken Spell, AP 21
8 AP: Quickcast Focus IV
Prerequisites: Greater Spell Focus, Quicken Spell, AP 33
Efficient Focus Branch: Decreases the mana cost of spells from the chosen school by 10% per level.
3 AP: Efficient Focus I
Prerequisites: Spell Focus, AP 4
5 AP: Efficient Focus II
Prerequisites: Greater Spell Focus, AP 16
7 AP: Efficient Focus III
Prerequisites: Greater Spell Focus, AP 30