Obvious kensei III ftr build with cleave and greater cleave for overwhelming critical, any suggestions?

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Level 20 Lawful Neutral Half-Elf Male
(20 Fighter) 
Hit Points: 382
Spell Points: 0 
BAB: 20\20\25\30\30
Fortitude: 17
Reflex: 10
Will: 7

                  Starting          Feat/Enhancement
Abilities        Base Stats          Modified Stats
(36 Point)       (Level 1)             (Level 20)
Strength             18                    29
Dexterity            15                    18
Constitution         16                    20
Intelligence         10                    13
Wisdom                8                    12
Charisma              8                     8

Tomes Used
+1 Tome of Strength used at level 3
+1 Tome of Dexterity used at level 3
+1 Tome of Constitution used at level 3
+1 Tome of Intelligence used at level 3
+1 Tome of Wisdom used at level 3
+2 Tome of Strength used at level 7
+2 Tome of Dexterity used at level 7
+2 Tome of Constitution used at level 7
+2 Tome of Intelligence used at level 7
+2 Tome of Wisdom used at level 7
+3 Tome of Strength used at level 11
+3 Tome of Dexterity used at level 11
+3 Tome of Constitution used at level 11
+3 Tome of Intelligence used at level 11
+3 Tome of Wisdom used at level 11
+4 Tome of Wisdom used at level 15

                  Starting          Feat/Enhancement
                 Base Skills         Modified Skills
Skills           (Level 1)            (Level 20)
Balance               3                     5
Bluff                -1                     2
Concentration         3                     8
Diplomacy            -1                     2
Disable Device        n/a                   n/a
Haggle               -1                    -1
Heal                 -1                     1
Hide                  2                     4
Intimidate           -1                     2
Jump                  8                    13
Listen               -1                     1
Move Silently         2                     4
Open Lock             n/a                   n/a
Perform              n/a                   n/a
Repair                0                     1
Search                0                     1
Spot                 -1                     1
Swim                  4                     9
Tumble                3                     5
Use Magic Device     n/a                   n/a

Level 1 (Fighter)
Feat: (Half-Elf Dilettante) Half-Elf Dilettante: Rogue
Feat: (Past Life) Past Life: Fighter
Feat: (Past Life) Past Life: Ranger
Feat: (Selected) Toughness
Feat: (Fighter Bonus) Two Weapon Fighting


Level 2 (Fighter)
Feat: (Fighter Bonus) Weapon Focus: Slashing Weapons


Level 3 (Fighter)
Feat: (Selected) Power Attack


Level 4 (Fighter)
Feat: (Fighter Bonus) Weapon Specialization: Slashing Weapons


Level 5 (Fighter)


Level 6 (Fighter)
Feat: (Fighter Bonus) Improved Sunder
Feat: (Selected) Stunning Blow


Level 7 (Fighter)


Level 8 (Fighter)
Feat: (Fighter Bonus) Exotic Weapon Proficiency: Khopesh


Level 9 (Fighter)
Feat: (Selected) Improved Two Weapon Fighting


Level 10 (Fighter)
Feat: (Fighter Bonus) Improved Critical: Slashing Weapons


Level 11 (Fighter)


Level 12 (Fighter)
Feat: (Fighter Bonus) Greater Two Weapon Fighting
Feat: (Selected) Greater Weapon Focus: Slashing Weapons


Level 13 (Fighter)


Level 14 (Fighter)
Feat: (Fighter Bonus) Combat Expertise


Level 15 (Fighter)
Feat: (Selected) Greater Weapon Specialization: Slashing Weapons


Level 16 (Fighter)
Feat: (Fighter Bonus) Improved Trip


Level 17 (Fighter)


Level 18 (Fighter)
Feat: (Fighter Bonus) Cleave
Feat: (Selected) Superior Weapon Focus: Slashing Weapons


Level 19 (Fighter)


Level 20 (Fighter)
Feat: (Fighter Bonus) Great Cleave
Enhancement: Fighter Attack Boost I
Enhancement: Fighter Attack Boost II
Enhancement: Fighter Attack Boost III
Enhancement: Fighter Haste Boost I
Enhancement: Fighter Haste Boost II
Enhancement: Fighter Haste Boost III
Enhancement: Fighter Haste Boost IV
Enhancement: Kensei Khopesh Mastery I
Enhancement: Kensei Khopesh Mastery II
Enhancement: Kensei Khopesh Mastery III
Enhancement: Fighter Critical Accuracy I
Enhancement: Fighter Critical Accuracy II
Enhancement: Fighter Critical Accuracy III
Enhancement: Fighter Kensei I
Enhancement: Fighter Kensei II
Enhancement: Fighter Kensei III
Enhancement: Fighter Strategy (Stunning Blow) I
Enhancement: Fighter Strategy (Stunning Blow) II
Enhancement: Fighter Strategy (Sunder) I
Enhancement: Fighter Khopesh Specialization I
Enhancement: Fighter Khopesh Specialization II
Enhancement: Improved Rogue Dilettante I
Enhancement: Improved Rogue Dilettante II
Enhancement: Human Adaptability Strength I
Enhancement: Human Greater Adaptability Constitution I
Enhancement: Human Improved Recovery I
Enhancement: Human Improved Recovery II
Enhancement: Human Versatility I
Enhancement: Human Versatility II
Enhancement: Racial Toughness I
Enhancement: Racial Toughness II
Enhancement: Fighter Strength I
Enhancement: Fighter Strength II
Enhancement: Fighter Toughness I
Enhancement: Fighter Toughness II