It's not quite min-maxed but I did what I could with your levelup order and planned class split. I did not take a rogue prestige because of the AP cost.
Code:Character Plan by DDO Character Planner Version 3.9.1 DDO Character Planner Home Page Level 20 True Neutral Drow Male (8 Fighter \ 6 Barbarian \ 6 Rogue) Hit Points: 332 Spell Points: 0 BAB: 18\18\23\28\28 Fortitude: 15 Reflex: 13 Will: 5 Starting Feat/Enhancement Abilities Base Stats Modified Stats (28 Point) (Level 1) (Level 20) Strength 16 23 Dexterity 16 18 Constitution 12 14 Intelligence 16 18 Wisdom 8 8 Charisma 10 10 Tomes Used +1 Tome of Dexterity used at level 3 +1 Tome of Constitution used at level 3 +2 Tome of Intelligence used at level 7 Starting Feat/Enhancement Base Skills Modified Skills Skills (Level 1) (Level 20) Balance 7 8 Bluff 4 5 Concentration 1 3 Diplomacy 4 5 Disable Device 7 27 Haggle 4 4 Heal -1 -1 Hide 7 23 Intimidate 0 1 Jump 3 7 Listen -1 1 Move Silently 7 27 Open Lock 7 14 Perform n/a n/a Repair 3 4 Search 7 29 Spot 2 11 Swim 3 6 Tumble 4 5 Use Magic Device 4 23 Level 1 (Rogue) Skill: Balance (+4) Skill: Bluff (+4) Skill: Diplomacy (+4) Skill: Disable Device (+4) Skill: Haggle (+4) Skill: Hide (+4) Skill: Move Silently (+4) Skill: Open Lock (+4) Skill: Search (+4) Skill: Spot (+3) Skill: Tumble (+1) Skill: Use Magic Device (+4) Feat: (Selected) Toughness Level 2 (Barbarian) Skill: Disable Device (+1) Skill: Open Lock (+0.5) Skill: Search (+1) Skill: Use Magic Device (+1) Level 3 (Fighter) Skill: Disable Device (+1) Skill: Search (+0.5) Skill: Use Magic Device (+1) Feat: (Selected) Two Weapon Fighting Feat: (Fighter Bonus) Weapon Focus: Piercing Weapons Level 4 (Barbarian) Ability Raise: STR Skill: Disable Device (+1) Skill: Search (+1.5) Skill: Use Magic Device (+1) Level 5 (Fighter) Skill: Disable Device (+1) Skill: Search (+0.5) Skill: Use Magic Device (+1) Feat: (Fighter Bonus) Power Attack Level 6 (Rogue) Skill: Disable Device (+1) Skill: Open Lock (+4) Skill: Search (+1) Skill: Spot (+4) Skill: Use Magic Device (+1) Feat: (Selected) Stunning Blow Level 7 (Barbarian) Skill: Disable Device (+1) Skill: Search (+1.5) Skill: Use Magic Device (+1) Level 8 (Fighter) Ability Raise: STR Skill: Disable Device (+1) Skill: Search (+1) Skill: Use Magic Device (+1) Level 9 (Rogue) Skill: Disable Device (+1) Skill: Move Silently (+5) Skill: Open Lock (+1) Skill: Search (+1) Skill: Spot (+3) Skill: Use Magic Device (+1) Feat: (Selected) Improved Two Weapon Fighting Level 10 (Fighter) Skill: Disable Device (+1) Skill: Search (+1) Skill: Use Magic Device (+1) Feat: (Fighter Bonus) Improved Critical: Piercing Weapons Level 11 (Rogue) Skill: Disable Device (+1) Skill: Hide (+4) Skill: Move Silently (+5) Skill: Search (+1) Skill: Use Magic Device (+1) Level 12 (Barbarian) Ability Raise: STR Skill: Disable Device (+1) Skill: Move Silently (+0.5) Skill: Open Lock (+0.5) Skill: Search (+1) Skill: Use Magic Device (+1) Feat: (Selected) Greater Two Weapon Fighting Level 13 (Fighter) Skill: Disable Device (+1) Skill: Search (+1) Skill: Use Magic Device (+1) Level 14 (Fighter) Skill: Disable Device (+1) Skill: Search (+1) Skill: Use Magic Device (+1) Feat: (Fighter Bonus) Weapon Specialization: Piercing Weapons Level 15 (Barbarian) Skill: Disable Device (+1) Skill: Move Silently (+1) Skill: Search (+1) Skill: Use Magic Device (+1) Feat: (Selected) Cleave Level 16 (Barbarian) Ability Raise: STR Skill: Disable Device (+1) Skill: Jump (+1) Skill: Move Silently (+0.5) Skill: Search (+1) Skill: Use Magic Device (+1) Level 17 (Rogue) Skill: Disable Device (+1) Skill: Hide (+6) Skill: Move Silently (+3) Skill: Search (+1) Skill: Use Magic Device (+1) Level 18 (Fighter) Skill: Disable Device (+1) Skill: Search (+1) Skill: Use Magic Device (+1) Feat: (Selected) Toughness Level 19 (Fighter) Skill: Disable Device (+1) Skill: Search (+1) Skill: Use Magic Device (+1) Feat: (Fighter Bonus) Quick Draw Level 20 (Rogue) Ability Raise: STR Skill: Disable Device (+1) Skill: Hide (+5) Skill: Move Silently (+4) Skill: Search (+1) Skill: Use Magic Device (+1) Enhancement: Fighter Attack Boost I Enhancement: Fighter Attack Boost II Enhancement: Barbarian Damage Boost I Enhancement: Barbarian Damage Boost II Enhancement: Fighter Haste Boost I Enhancement: Fighter Haste Boost II Enhancement: Fighter Haste Boost III Enhancement: Barbarian Sprint Boost I Enhancement: Barbarian Improved Damage Reduction I Enhancement: Barbarian Extend Rage I Enhancement: Barbarian Extend Rage II Enhancement: Barbarian Extra Rage I Enhancement: Barbarian Extra Rage II Enhancement: Barbarian Hardy Rage I Enhancement: Barbarian Hardy Rage II Enhancement: Barbarian Power Attack I Enhancement: Barbarian Power Attack II Enhancement: Barbarian Power Rage I Enhancement: Barbarian Power Rage II Enhancement: Barbarian Frenzied Berserker I Enhancement: Drow Weapon Attack I Enhancement: Drow Weapon Attack II Enhancement: Drow Weapon Damage I Enhancement: Drow Weapon Damage II Enhancement: Elven Dexterity I Enhancement: Kensei Rapier Mastery I Enhancement: Fighter Critical Accuracy I Enhancement: Fighter Critical Accuracy II Enhancement: Fighter Kensei I Enhancement: Fighter Strategy (Stunning Blow) I Enhancement: Fighter Strategy (Stunning Blow) II Enhancement: Fighter Rapier Specialization I Enhancement: Rogue Subtle Backstabbing I Enhancement: Racial Toughness I Enhancement: Racial Toughness II Enhancement: Rogue Faster Sneaking I Enhancement: Rogue Sneak Attack Accuracy I Enhancement: Rogue Sneak Attack Training I Enhancement: Rogue Sneak Attack Training II Enhancement: Barbarian Constitution I Enhancement: Fighter Strength I Enhancement: Fighter Strength II Enhancement: Fighter Toughness I Enhancement: Fighter Toughness II