Archmage Enhancements

Tier  Enhancement                             Req     Cost  Ranks  MaxR  Total  Notes
Core  Archmage Specialization I               0 AP    1     1      1     1      Illusion I: Invisibility spell-like ability
Core  Archmage Specialization II              5 AP    1     1      1     1      Illusion II: Blur spell-like ability
Core  Archmage Specialization III             10 AP   1     1      1     1      Illusion II: Displacement spell-like ability
Core  Archmage Specialization IV              20 AP   1     1      1     1      Illusion IV: Phantasmal Killer spell-like ability
Core  Archmage Specialization V               30 AP   1            1     0      Illusion V: Shadow Walk spell-like ability
Core  Master of Magic                         40 AP   1            1     0      +2 INT, +5 Spellcraft, metamagic feats cost 1 SP less
1     Subtle Spellcasting                     Core 1  1            3     0      Damaging spells generate 10%/20%/30% less hate
1     Energy of the Scholar                   Core 1  2            3     0      +30/60/90 max spell points
1     Traditional Caster                      Core 1  1     2      3     2      +3/6/10 Universal Spell Power when wielding Orb or Staff
1     Spell Critical: Elemental and Force I   Core 1  2     1      1     2      Acid, Cold, Electric, Fire, Untyped +1% crit change, Force +3% crit chance
1     Wand and Scroll Mastery                 Core 1  1            3     0      +25%/50%/75% from wands, scrolls, item spells; +1/2/3 DC offensive wands
2     Efficient Metamagic                     5 AP    2     1      3     2      Empower, Enlarge, Maximize or Quicken, reduced SP costs
2     Efficient Metamagic                     5 AP    2            3     0      Empower, Enlarge, Maximize or Quicken, reduced SP costs
2     Efficient Metamagic                     5 AP    2            3     0      Empower, Enlarge, Maximize or Quicken, reduced SP costs
2     Spell Critical: Elemental and Force II  5 AP    2     1      1     2      Acid, Cold, Electric, Fire, Untyped +1% crit change, Force +3% crit chance
3     Arcane Bolt                             10 AP   1     3      3     3      Arcane Bolt spell-like ability (1d6 Force/level, 4 SP, Cooldown 5s)
3     Spell Penetration                       10 AP   2     2      3     4      +1 caster level to overcome enemy Spell Resistance
3     Spell Critical: Elemental and Force III 10 AP   2     1      1     2      Acid, Cold, Electric, Fire, Untyped +2% crit change, Force +4% crit chance
3     Intelligence                            10 AP   2            1     0      +1 INT
4     Efficient Heighten                      20 AP   2            2     0      Heighten Metamagic costs 1/2 fewer SP per heightened level
4     School Mastery                          20 AP   2            1     0      Primary Spell Focus: Illusion. +1 DC
4     Spell Critical: Elemental and Force IV  20 AP   2            1     0      Acid, Cold, Electric, Fire, Untyped +2% crit change, Force +4% crit chance
4     Intelligence                            20 AP   2            1     0      +1 INT
5                                             20 AP   2            1     0      
                                                                         21     

I would really like to improve my metamagics but quite low on points for this tree. At least I can barely make it to Tier 4 for Phantasmal Killer which gives me two PK spell-likes.