I've been working on this build for a while, more of a gimmick than anything, but I like where I've taken it. It's not a terrible build, by any means, but it's nothing game breaking either.
Obviously, criticism and advise is more than welcome. The two things that are guaranteed to stay is Psychic Rogue 11 and Monk 2. The other 7 levels I am unsure about, and will just fill in with something I consider to be "not that bad" right now.
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32 point buy
10, 18, 12, 16, 8, 8
Adjusted
8, 20, 14, 16, 8, 6
Final
13, 34, 19, 27, 13, 11
Race: Whisper Gnome
Template: Dark Creature +1 LA (buy off at level 3)
Monk ACF: Chaos Monk, Martial Monk, Invisible Fist
Psychic Warrior ACF: Mantled Warrior, Freedom Mantle (For Dimension Hop)
Number of Feats: 16
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Class levels
1 - Psychic Rogue 1
2 - Chaos Monk 1
3 - Chaos Monk 2
4 - Psychic Rogue 2 - +1 Int
5 - Psychic Rogue 3
6 - Psychic Rogue 4
7 - Psychic Rogue 5
8 - Psychic Rogue 6 - +1 Int
9 - Psychic Rogue 7
10 - Psychic Rogue 8
11 - Psychic Rogue 9
12 - Psychic Rogue 10 - +1 Dex
13 - Psychic Rogue 11
14 - Psychic Rogue 12
15 - Psychic Rogue 13
16 - Psychic Rogue 14 - +1 Dex
17 - Fighter 1
18 - Fighter 2
19 - Psychic Warrior 1
20 - Psychic Warrior 2 - +1 Dex
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Feats
Level 1 - Monastic Training (Psychic Rogue)
Level 1 [Flaw 1] - Two Weapon Fighting
Level 1 [Flaw 2] - Unorthodox Flurry (Hand Crossbow)
Level 2 [Monk 1] - Ranged Weapon Mastery
Level 3 [Monk 2] - Hand Crossbow Focus
Level 3 - Tashalatora
Level 6 - Able Sniper
Level 9 - Darkstalker
Level 12 - Improved Two Weapon Fighting
Level 15 - Craven
Level 16 [Psychic Rogue 14] - Penetrating Strike
Level 17 [Fighter 1] - Greater Two Weapon Fighting
Level 18 - Point Blank Shot
Level 18 [Fighter 2] - Crossbow Sniper
Level 19 [Psychic Warrior 1] - Perfect Two Weapon Fighting
Level 20 [Psychic Warrior 2] - Rapid Shot
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Powers
Level 1
Empty Mind
Compression
Control Light
Dimension Hop
Level 2
Animal Affinity
Chameleon
Concealing Amorpha
Level 3
Dimension Slide
Hustle
Telekinetic Force
Level 4
Psionic Freedom of Movement
Psionic Dimension Door
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Skills of note - Hide, Concentration, Move silently, Spot, Listen, others depending on goal, focus, or party. You could even pick up Craft (Alchemy) if you feel like throwing some poisons into the mix, but they're not needed.
Special abilities/qualities of note: Hide in Plain Sight(via the Dark Creature template), in addition to the level 11 rogue ability Skill Mastery which lets you take 10 on selected skills(see above) in combat.
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Items of Note
Helping Hand; Reloads your hand crossbows for you - get this ASAP. And start out on your Rogue's Ring with Continuous Blur so you can hide in combat.
15xGate Scrolls, used to summon an Efreet. 2 wishes for you, 1 wish for them. Rinse and repeat to get +5 Inherent to all stats
Two Long Range Hand Crossbows - Depends on the gold you have to throw around. +5 as well as Splitting, Distance, and Keen is a personal favorite of mine.
Gloves of Dexterity +6; Third Eye Sense; Amulet of Second Chances; Bracers of the Hunter; Wings of Flying; Headband of Intellect +6
Rogue's Ring - Continuous: Blur, Hawkeye, Raptor's Sight, Sniper's Shot. Command: Quickened Assassin's Darkness
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The play style is simple - stay hidden and rain down arrows on the enemy from (moderately)vast distances.
Full attack is as follows: Main hand +43/+38/+33/+28, Off hand +43/+38/+33/+28, Flailing Strike(minimum 1, maximum 6) +43/+43/+43/+43/+43/+43, Rapid Shot +43. And then double all of those, because of Splitting. That's a grand total of 30 arrows every round, doing 180d6+1050(average 1680, 840 on immune) sneak attack damage provided they all hit. If something SOMEHOW sees you, use invisibility granted by monk + Dimension Hop to get 75 feet away, and still be able to make a full attack while being hidden. You really are a glass cannon, though, and that's why you want to have a lot of movement based abilities. If worse comes to worse, you can teleport as move with augmented Dimension Hop without provoking attacks of opportunity, then as a standard with Dimension Door to get 1,000 feet away.
You have one real weakness: fighting in broad daylight(can be circumvented via Assassin's Darkness).
Provided that you have a Ring of 3 Wishes, and some time, you can kill a Tarassque by yourself with little to no problem.
Much has been edited, and I will continue to fiddle with the build as suggestions are made.
Also, is there an easy way to get another +1 to my odd ability scores? I really do hate having uneven numbers.