I am trying to pick up a ranger past life and figure I can either do 20 levels of ranger for the capstone or try and come up with something more varied. This is my first build that was not just 20 levels of blah so any advice would be helpful.
Code:
Character Plan by DDO Character Planner Version 03.12.01
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Level 20 Lawful Good Half-Elf Male
(2 Fighter \ 7 Monk \ 11 Ranger) 
Hit Points: 382
Spell Points: 370 
BAB: 18\18\23\28\28
Fortitude: 19
Reflex: 16
Will: 13

                  Starting          Feat/Enhancement
Abilities        Base Stats          Modified Stats
(36 Point)       (Level 1)             (Level 20)
Strength             16                    24
Dexterity            14                    18
Constitution         16                    18
Intelligence          8                    10
Wisdom               16                    20
Charisma              8                    10

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
+1 Tome of Charisma 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
+2 Tome of Charisma used at level 7

                  Starting          Feat/Enhancement
                 Base Skills         Modified Skills
Skills           (Level 1)            (Level 20)
Balance               4                    26
Bluff                -1                     0
Concentration         7                    27
Diplomacy            -1                     0
Disable Device       n/a                    n/a
Haggle               -1                     0
Heal                  3                     8
Hide                  2                     4
Intimidate           -1                     0
Jump                  7                    16
Listen                3                     7
Move Silently         2                     4
Open Lock             n/a                   n/a
Perform              n/a                    n/a
Repair               -1                     0
Search               -1                     0
Spot                  7                    28
Swim                  3                     7
Tumble                n/a                   5
Use Magic Device      1                    11

Level 1 (Ranger)
Feat: (Favored Enemy) Favored Enemy: Undead
Feat: (Half-Elf Dilettante) Half-Elf Dilettante: Rogue
Feat: (Past Life) Past Life: Fighter
Feat: (Past Life) Past Life: Paladin
Feat: (Selected) Zen Archery
Enhancement: Ranger Sprint Boost I
Enhancement: Human Versatility I
Enhancement: Ranger Favored Damage I


Level 2 (Ranger)
Enhancement: Ranger Dexterity I


Level 3 (Ranger)
Feat: (Selected) Point Blank Shot


Level 4 (Ranger)
Enhancement: Elven Dexterity I
Enhancement: Human Improved Recovery I
Enhancement: Racial Toughness I


Level 5 (Ranger)
Feat: (Favored Enemy) Favored Enemy: Construct
Enhancement: Human Versatility II


Level 6 (Ranger)
Feat: (Selected) Weapon Focus: Ranged Weapons


Level 7 (Monk)
Feat: (Monk Bonus) Toughness


Level 8 (Monk)
Feat: (Monk Bonus) Toughness
Enhancement: Improved Rogue Dilettante I
Enhancement: Racial Toughness II
Enhancement: Ranger Favored Damage II
Enhancement: Monk Wisdom I


Level 9 (Fighter)
Feat: (Fighter Bonus) Improved Critical: Ranged Weapons
Feat: (Selected) Mental Toughness
Enhancement: Fighter Attack Boost I
Enhancement: Fighter Haste Boost I
Enhancement: Elven Arcane Archer: Imbue Force Arrows
Enhancement: Fighter Critical Accuracy I
Enhancement: Human Versatility III
Enhancement: Elven Arcane Archer I
Enhancement: Fighter Toughness I


Level 10 (Fighter)
Feat: (Fighter Bonus) Quick Draw
Enhancement: Human Improved Recovery II
Enhancement: Fighter Strength I


Level 11 (Monk)
Feat: (Monk Path) Path of Harmonious Balance: Fists of Light
Enhancement: Elven Arcane Archer: Imbue Acid Arrows
Enhancement: Human Versatility IV
Enhancement: Elven Arcane Archer: Conjure +2 Arrows


Level 12 (Monk)
Feat: (Selected) Past Life: Soldier of the Faith
Enhancement: Ranger Sprint Boost II
Enhancement: Ranger Devotion I


Level 13 (Monk)


Level 14 (Monk)
Feat: (Monk Bonus) Toughness
Enhancement: Elven Arcane Archer: Imbue Explosive Arrows
Enhancement: Ten Thousand Stars
Enhancement: Adept of Wind
Enhancement: Elven Arcane Archer: Conjure +3 Arrows
Enhancement: Monk Wisdom II


Level 15 (Ranger)
Feat: (Selected) Extend Spell
Enhancement: Improved Rogue Dilettante II


Level 16 (Ranger)
Enhancement: Way of the Faithful Hound I
Enhancement: Way of the Faithful Hound II


Level 17 (Ranger)
Enhancement: Elven Arcane Archer: Imbue Terror Arrows
Enhancement: Ranger Favored Damage III
Enhancement: Elven Arcane Archer: Conjure +4 Arrows


Level 18 (Ranger)
Feat: (Favored Enemy) Favored Enemy: Evil Outsider
Feat: (Selected) Improved Critical: Bludgeoning Weapons
Enhancement: Monk Improved Recovery I
Enhancement: Ranger Devotion II


Level 19 (Ranger)
Enhancement: Ranger Energy of the Wild I


Level 20 (Monk)
Enhancement: Elven Arcane Archer: Imbue Slaying Arrows
Enhancement: Monk Improved Recovery II
Enhancement: Ranger Favored Resistance I
Enhancement: Elven Arcane Archer: Conjure +5 Arrows