Help me optimize a Action point Rogue!

[Wishsong1982]

I will play one-shot 16lv scenario tomorrow, and I suddenly want to play "Action point Hero!" So, I made a rogue character...

Could you share your wisdom to make him shine?


Here is my initial build :

====== Created Using Wizards of the Coast D&D Character Builder ======
Saxon, level 16
Human, Rogue, Adroit Explorer
Build: Brawny Rogue
Rogue Tactics: Ruthless Ruffian
Ambitious Effort: Ambitious Effort New Power
Background: Geography - Forest (+2 to Perception)

FINAL ABILITY SCORES
Str 16, Con 12, Dex 24, Int 9, Wis 14, Cha 11.

STARTING ABILITY SCORES
Str 12, Con 11, Dex 18, Int 8, Wis 13, Cha 10.


AC: 31 Fort: 26 Reflex: 34 Will: 26
HP: 109 Surges: 7 Surge Value: 27

TRAINED SKILLS
Perception +17, Stealth +20, Thievery +20, Intimidate +13, Insight +15, Bluff +13, Acrobatics +20

UNTRAINED SKILLS
Arcana +7, Diplomacy +8, Dungeoneering +10, Endurance +9, Heal +10, History +7, Nature +10, Religion +7, Streetwise +8, Athletics +11

FEATS
Human: Action Surge
Level 1: Backstabber
Level 2: Melee Training (Dexterity)
Level 4: Slaying Action
Level 6: Toughness
Level 8: Weapon Focus (Mace)
Level 10: Weapon Expertise (Mace)
Level 11: Paragon Defenses
Level 12: Into the Fray
Level 14: Bleeding Backstab
Level 16: Defensive Advantage

POWERS
Ambitious Effort New Power: Circling Predator
Bonus At-Will Power: Deft Strike
Rogue at-will 1: Disheartening Strike
Rogue at-will 1: Piercing Strike
Rogue encounter 1: King's Castle
Rogue daily 1: Easy Target
Rogue utility 2: Sneak in the Attack
Rogue encounter 3: Low Slash
Rogue daily 5: Flashy Riposte
Rogue utility 6: Ferret Out Frailty
Rogue encounter 7: Sand in the Eyes
Rogue daily 9: Knockout
Rogue utility 10: Executioner's Mien
Rogue encounter 13: Daunting Attack (replaces King's Castle)
Rogue daily 15: Garrote Grip (replaces Easy Target)
Rogue utility 16: Close Quarters

ITEMS
Cape of the Mountebank +3, Circlet of Indomitability (heroic tier), Iron Armbands of Power (heroic tier), Gauntlets of Blood (heroic tier), Potion of Clarity (level 10) (2), Cryptspawn Potion (paragon tier), Adventurer's Kit, Thieves' Tools, Backpack (empty), Climber's Kit, Demonskin Tattoo (paragon tier), Feytouched Snakeskin Armor +4, Sacrificial Mace +4, Sling Bullets (20), Surprise Bullet +1 (7), Distance Sling +1
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[kerbarian]

This doesn't bear on what you actually do with your action points, but an easy combo for an extra action point is MC cleric + Symbol of Victory. With Adroit Explorer and a crit any time in your first 3 encounters, that would give you an action point for your first 5 encounters of the day.

Or you could go Daggermaster plus multiple Symbols of Victory, and then the crits should be reliable enough to keep up a steady flow of action points even without Adroit Explorer.