Build number 7!

Quote Originally Posted by Louis Friend

Louis Friend, Fifth Eye and Guardian of Treats

NE Human Psychic Rogue 5/Eye of the Xanathar 10/Ebon Saint 5

Stats
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Str 12
Dex 14
Con 14
Int 14 (Increase at 4, 8 and 20)
Wis 14(Increase at 12 and 16)
Cha 12

Build
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Level Class Base Attack Bonus Fort Save Ref Save Will Save Skills Feats Class Features
1st Psychic Rogue 1 +0 +0 +2 +0 Autohypnosis 4, Concentration 4, Handle Animal 0.5(1), Hide 4, Intimidate 4, Knowledge (local (Waterdeep)) 3, Move Silently 4, Spot 4, Tumble 4, Use Psionic Device 4 Darkstalker (B)Great Fortitude Sneak Attack +1d6, Trapfinding
2nd Psychic Rogue 2 +1 +0 +3 +0 Autohypnosis 5, Concentration 5, Handle Animal 1.5(2), Hide 5, Move Silently 5, Spot 5, Tumble 5, Use Psionic Device 5 Evasion
3rd Psychic Rogue 3 +2 +1 +3 +1 Autohypnosis 6, Concentration 6, Handle Animal 2.5(2), Hide 6, Move Silently 6, Spot 6, Tumble 6, Use Psionic Device 6 Iron Will
4th Psychic Rogue 4 +3 +1 +4 +1 Autohypnosis 7, Concentration 7, Handle Animal 3.5(2), Hide 7, Move Silently 7, Spot 7, Tumble 7, Use Psionic Device 7 Sneak Attack +2d6
5th Psychic Rogue 5 +3 +1 +4 +1 Autohypnosis 8, Concentration 8, Disguise 1, Handle Animal 4(1), Hide 8, Move Silently 8, Spot 8, Tumble 8, Use Psionic Device 8 Danger Sense
6th Eye of the Xanathar 1 +3 +1 +6 +1 Disguise 9, Hide 9, Move Silently 9, Tumble 9 Wild Cohort (Badger) Eye of the Master (Spot Bonus, Low-light Vision), Portal Use
7th Eye of the Xanathar 2 +4 +1 +7 +1 Bluff 7, Disguise 10, Hide 10, Move Silently 10, Tumble 10 Eye of the Master (detect magic)
8th Eye of the Xanathar 3 +5 +2 +7 +2 Bluff 11, Disguise 11, Gather Information 1, Handle Animal 5.5 (3), Hide 11, Move Silently 11, Tumble 11 Release the Eye, Sneak Attack +3d6
9th Eye of the Xanathar 4 +6/+1 +2 +8 +2 Bluff 12, Disguise 12, Gather Information 6, Handle Animal 6 (1), Hide 12, Move Silently 12, Tumble 12 Staggering Strike Attach the Eye (charm person)
10th Eye of the Xanathar 5 +6/+1 +2 +8 +2 Bluff 13, Disguise 13, Gather Information 8, Hide 13, Intimidate 10, Move Silently 13 Eye of the Master (know alignment, darkvision 60ft), Perfect Sneak Attack
11th Eye of the Xanathar 6 +7/+2 +3 +9 +3 Bluff 14, Disguise 14, Handle Animal 7 (2), Hide 14, Intimidate 14, Move Silently 14, Use Psionic Device 9(2) Attach the Eye (inflict moderate wounds, Sneak Attack +4d6
12th Eye of the Xanathar 7 +8/+3 +3 +9 +3 Bluff 15, Disguise 15, Hide 15, Intimidate 15, Move Silently 15, Use Psionic Device 12.5(7) Combat Expertise Send the Eye, Eye of the Master (see invisibility)
13th Eye of the Xanathar 8 +9/+4 +3 +10 +3 Bluff 16, Disguise 16, Handle Animal 8(2), Hide 16, Intimidate 16, Move Silently 16, Use Psionice Device 15(5) Attach the Eye (poison)
14th Eye of the Xanathar 9 +9/+4 +4 +10 +4 Bluff 17, Disguise 17, Hide 17, Intimidate 17, Move Silently 17, Spot 11, Use Psionic Device 17(4) Sneak Attack +5d6
15th Eye of the Xanathar 10 +10/+5 +4 +11 +4 Assume Quirk, Spot the Weak Point, Bluff 18, Disguise 18, Hide 18, Intimidate 18, Move Silently 18, Spot 12, Use Psionic Device 18(2) Improved Feint Attach the Eye (paralysis), Eye of the Master (true seeing)
16th Ebon Saint 1 +10/+5 +4 +13 +6 Bluff 19, Disguise 19, Hide 19, Move Silently 19, Psicraft 4 Dire Strike, Shadowfriend
17th Ebon Saint 2 +11/+6/+1 +4 +14 +7 Bluff 20, Concentration 10, Disguise 20, Hide 20, Intimidate 20, Move Silently 20 Thought Theft
18th Ebon Saint 3 +12/+7/+2 +5 +14 +7 Bluff 21, Concentration 13, Disguise 21, Hide 21, Intimidate 21, Move Silently 21 Practiced Manifester Mind Interrogation, Sneak Attack +6d6
19th Ebon Saint 4 +13/+8/+3 +5 +15 +8 Bluff 22, Concentration 15, Disguise 22, Hide 22, Intimidate 22, Move Silently 22, Spot 13 Steal Form
20th Ebon Saint 5 +13/+8/+3 +5 +15 +8 Bluff 23, Disguise 23, Hide 23, Intimidate 23, Move Silently 23, Spot 16 Disappear from the Mind

Psionics
1st: Control Light, Conceal Thoughts, Sense Link
2nd: Chameleon, Concealing Amorpha, Wall Walker
3rd: Hustle

Backstory
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“Rise and shine, Precious, it’s time to go to work!”
The put-upon badger in question snuffled his irritation as his master picked him up to give him an undignified boop on the nose.
“I know, I know you need your beauty sleep, but I need my special boy’s special nose to help me on my big job. The Xanathar wants us to go have a talk with the dock master. Someone hasn’t been paying his tribute.”
Precious snarled slightly. He didn’t understand the goings-on of the guild (not that Louis knew much more than his individual assignments), but he knew the Xanathar always demanded a meeting after a mission. The Xanathar stank, and it never had any treats.

Louis had finished preparing his gear and donning the persona suit of today’s mission, one of the longshoremen who had drank himself into a stupor and “fell” off the dock instead of collecting his week’s pay. It’d be a few days before he floated up, which was more than enough time for Louis to complete his assignment. He showed up at the perimeter, badger in tow, and set up at a sagging corner of the building.

“OK precious, just like we practiced. Dig a little hole and we’ll take a look around.”
The badger felt the familiar but still uncomfortable presence of Louis Friend’s mind, sharing his eyes through the shiny disc. The earth was soft and a short time later Precious poked his broad head through the floor of the building. He didn’t have to do too much looking around. His nose told him most of what he could see with Louis’s help. Four men, three of them big ones with sharp sticks, and one soft elf playing cards at a table. All of them nursing some foul grog, but none of them had any treats. Disappointing. Precious worked his way back out the way he came, accompanied by the shiny disc to his master’s waiting arms.

“Good boy! Now don’t go far, I’m just going to pop in and I’ll be back before you know it.”
Louis Friend knew the way in and all the right things to say to the men he passed thanks to the longshoremen’s mind being so forthcoming. Once he reached the main office, he snuffed out the lights and set his Eye to float before him to guide his way. He always appreciated this moment, watching his quarry try to decide whether to flee or cower, head darting about as if it made the blackness any more permeable. He took his time to size up the target with his own enhanced vision before descending in a single decisive motion.

Precious had found a rather palatable grub and had just finished eating when his nose alerted him of Louis Friend’s arrival. He was wearing the suit that made him look just like the soft elf from the office, but underneath the disguise he was spattered with blood. Louis hadn’t learned to conceal that, but apparently humans couldn’t really smell anything.

“Looks like I finished early, so we’ve got an hour before we have to meet with the Xanathar. Oh look at you, Precious, you’re covered with mud from all that digging.”
Precious knew where this was going. His claws scrabbled in the earth as he turned to run before he was struck by an invisible ray from the shiny disc that was now attached to Louis Friend.
“No running away, naughty boy. It’s bath time!”

Level 5
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Psychic Rogue is the happy medium between lurk and plain rogue. It’s got all the skills we need to enter the SI, along with sneak attack and evasion and most importantly, powers. Unfortunately you can’t ACF away your trapfinding/trapsense as none exist for you, but at least your version of trapsense is that of a 12th level rogue.

We’ve got to pay our taxes like everyone else, and we’re spending our other feat on Darkstalker, pretty much necessary for any sneak.

In the powers department, Control Light can give you the dark you need to hide in. Conceal thoughts is your social lubricant to make bluffs go more smoothly. Sense Link can be used for some spying, will help us later. Concealing Amorpha gives you the concealment you need to hide anywhere.

Level 10
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We’ve had our fun, now it’s time to work for the head honcho. The higher skill points are appreciated, and we’ve certainly got places to spend them to make us more socially proficient. Darkvision enables you to use control light to make total darkness, and still see perfectly. Detect magic can guide you to the real valuables to steal, and Know Alignment can help give you an idea of what kind of person you’re impersonating when using your Ebon Saint abilities. Charm Person can help set up a target to lower their weapons so you can get in a perfect sneak attack. At this point we stop investing in tumble because you can reliably hit the DCs

Feats are where we get to the very fun parts of the build. Being able to pop off a perfect sneak attack whenever is good, but it elevates to great when you have riders. To that end, staggering strike enables you to limit your enemies to a single action, for free.
Our other feat is spent on wild cohort. This is why we’ve been sinking ranks into Handle Animal. I’ve selected the badger. It’s small so can squeeze into tight spaces (especially having Escape Artist) and has burrow to get places you can’t. With the boosts to HD, Str, and nat armor from wild cohort he won’t fall apart in combat, but you’re not going to want to throw him on the front lines alone. He can help out for flanking when you want to make full attacks, or to help the rest of the party flank. It’s also got scent, which you can make use of through sense link. We’re not going to be uncharitable to the little guy and leave him in the dark while we smell through his nose, so in return we can grant him access to our vision, enhanced by the eye. The power’s text specifically allows for this. If you are more teamwork minded you can share this with other members of the party instead to double your money, but Louis dotes on his pet (it’s funnier that way).

Level 15
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More abilities from the eye. Offensive powers can be used to soften up foes, pretty straightforward. See Invisibility and True Seeing are worth having the extra use (hence the Wis increases) and are definitely something to share with the party via sense link. More interesting is send the eye. You can send the eye to travel with your badger as he burrows or squeezes through tight spaces, and double sense link so you both have maximum information.

At this point we can stop investing in Handle Animal as we can always hit the only DC that will come up under stress, the DC 12 for handling him when he’s wounded. We can similarly stop investing in Use Psionic Device as we can always hit the DC to use dorjes, which you can use to supplement your power list with whatever you like. In the skill tricks department, spot the weak point makes your ranks in spot pull their weight to hit foes as a touch attack, and Assume quirk makes for better disguises as we prepare for our next class.

Level 20
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Welcome to Ebon Saint. Made for a lurk but strong enough for a psychic rogue, this will helpfully advance our manifesting and give us some other neat tricks. The first is shadowfriend, which boosts your sneaking more.

For powers we add on Chameleon to boost Hide even more, Wall Walker as your version of Spider Climb, and the game changer of Hustle. Adding a free move action means you can move and full attack for a pseudo-pounce, or have greater mobility in rounds where you perfect sneak attack or manifest powers. You can even try your hand at sniping

Sneak attack goes with more sneak attack, but the main event is dire strike. Don’t miss that dire striking a target gives you a bonus on attack and AC even if you don’t do any of the dire augments. The round of study to prepare is much more palatable since you can perfect sneak attack, so you don’t have to worry about keeping the opponent flanked or flatfooted. There’s no requirements on what you have to do in that round you’re studying them, so you can multitask.
Thought theft can give you a lay of the land, and mind interrogation can give you specific information. Note that while you cannot dire strike an unconscious creature, you can dire strike a paralyzed one, so you can use the hold monster effect to keep them occupied while you study and get answers to several questions. Steal form makes for some easy infiltration as you copy the identities of the targets you take out. Disappear from the Mind means that you can erase memories that you were there. The one round it gives you is enough time to pop on concealing amorpha and hide in it, then move on undetected.
There’s no save on steal form or mind interrogation, so you can still cause a lot of havoc by impersonating the right person and knowing what the passwords are, or what exchanges or inside words are used to trap intruders.

Practiced Manifester, besides increasing the duration on your powers, gives you more bonus pp to fuel all of your tricks.

Sources
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Psychic Rogue: Mind’s Eye Article
Ebon Saint: Complete Psionic
Wild Cohort: Web Enhancement
Darkstalker: Lords of Madness
Staggering Strike: Complete Adventurer
Skill Tricks: Complete Scoundrel
Powers, Badger, Practiced Manifester, Combat Expertise, Improved Feint, Iron Will, Great Fortitude, Autohypnosis: srd