My latest plan to abuse the combination of displacement and ninja fade; anything obvious I am missing?

Code:
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Level 20 Lawful Good Elf Female
(8 Fighter \ 6 Paladin \ 6 Monk) 
Hit Points: 250
Spell Points: 80 
BAB: 18\18\23\28\28
Fortitude: 20
Reflex: 15
Will: 14

                  Starting          Feat/Enhancement
Abilities        Base Stats          Modified Stats
(32 Point)       (Level 1)             (Level 20)
Strength             15                    20
Dexterity            16                    17
Constitution         12                    12
Intelligence          8                     8
Wisdom               14                    14
Charisma             14                    14

Tomes Used
+1 Tome of Dexterity used at level 7

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

Level 1 (Monk)
Feat: (Selected) Least Dragonmark of Shadow
Feat: (Monk Bonus) Two Weapon Fighting


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


Level 3 (Monk)
Feat: (Selected) Toughness
Feat: (Monk Bonus) Whirling Steel Strike


Level 4 (Paladin)


Level 5 (Paladin)


Level 6 (Monk)
Feat: (Selected) Lesser Dragonmark of Shadow
Feat: (Monk Path) Path of Inevitable Dominion: Fists of Darkness


Level 7 (Monk)


Level 8 (Monk)


Level 9 (Monk)
Feat: (Monk Bonus) Dodge
Feat: (Selected) Improved Two Weapon Fighting


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


Level 11 (Fighter)


Level 12 (Fighter)
Feat: (Selected) Greater Dragonmark of Shadow
Feat: (Fighter Bonus) Weapon Specialization: Slashing Weapons


Level 13 (Fighter)


Level 14 (Fighter)
Feat: (Fighter Bonus) Greater Two Weapon Fighting


Level 15 (Paladin)
Feat: (Selected) Power Attack


Level 16 (Paladin)


Level 17 (Paladin)


Level 18 (Paladin)
Feat: (Selected) Oversized Two Weapon Fighting


Level 19 (Fighter)


Level 20 (Fighter)
Feat: (Fighter Bonus) Two Weapon Defense