Ultimate Infiltrator (3.5e Optimized Character Build)

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Scales.png This page is of questionable balance. Reason: You could easily go Wizard 20 and still get the same spells while having higher spellcasting. With this you only end up with level 7 arcane spells and level 4 divine spells by level 20, and it hurts even more at the middle levels.

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I was thinking it would be a lot of fun as a player to infiltrate an enemy base using magic. Then I thought about making the coolest possible level 20 infiltrator with SRD rules only. Here he is!


SRD Only

Game Rule Components[edit]



None are nessessary. A true infiltrator uses any tools available!


Starting Ability Scores (Before Racial Adjustments): Str 8 Dex 13 Con 10 Int 15 Wis 14 Cha 12

Race (Templates): Human

Class Levels: Rogue 1, Cleric 3, Wizard 3, Mystic Theurge 4, Assassin 1, Arcane Trickster 8

Starting Racial Traits: Extra Skill Point, Bonus Feat

ECL Class/HD/LA Base
Attack Bonus
Saving Throws Feats Class
Fort Ref Will
1st Rogue 1 +0 +0 +2 +0 2 feats Sneak attack +1d6 Disguise (4), Hide (4), Move Silently (4), Disable Device (4), Decipher Script (4), Escape Artist (4), 20 skill points for other skills
2nd Cleric 1 +0 +2 +2 +2 Trickery Domain, another fitting domain Knowledge (Religion) (5)
3rd Cleric 2 +1 +3 +2 +3 silent spell Knowledge (Religion) (6), Hide (6)
4th Cleric 3 +2 +3 +3 +3 +1 int Hide (8), Move Silently (5)
5th Wizard 1 +2 +3 +3 +5 scribe scroll, familiar Knowledge arcana (6)
6th Wizard 2 +3 +3 +3 +6 feat Move Silently (8)
7th Wizard 3 +3 +4 +4 +6 Decipher Script (7), 3 skill points for other skills
8th Mystic Theurge 1 +3 +4 +4 +8 +1 int 6 skill points for any skills
9th Mystic Theurge 2 +4 +4 +4 +9 feat 6 skill points for any skills
10th Mystic Theurge 3 +4 +5 +5 +9 6 skill points for any skills
11th Mystic Theurge 4 +5 +5 +5 +10 6 skill points for any skills
12th Assassin 1 +5 +5 +7 +10 feat +1d6 sneak attack, death attack, poison use, +1 int Disable Device (7), Escape Artist (7), 3 skill points for other skills
13th Arcane Trickster 1 +5 +5 +9 +12 Ranged legerdemain 1/day Disable Device (7), Escape Artist (7), 3 skill points for other skills
20th Arcane Trickster 8 +9 +7 +13 +16 Ranged legerdemain 2/day, Impromptu Sneak attack 2/day, sneak attack +4d6 lots of skill points!


At level 4 you are pretty good at infiltrating already. You can cast Silence and Invisibility to get into places unnoticed. In the end, however, you are basically Solid Snake. You can go in with Greater Invisibility while silenced and Nondetection. You can also memorize your spells as Silent spells so that you can cast them from inside your silence bubble. You will always get 6d6 sneak attacks because you are invisible and you can even cast dispels as a 15th level wizard to remove spells that allow enemies to see you. You can teleport if you need to and go ethereal if you need a better silent/invisible combo.

If you need to fight, the Mystic Theurge levels allow you enough cleric casting for a divine power spell. You will have to cast this outside of a silence dome, however.

Munchkin-Size Me[edit]

You could trade 1d6 sneak attack damage and an impromptu sneak attack (plus a bunch of feats) for 2 levels of Archmage. This could boost your caster level to 17 or use mastery of shaping to shape the silence spell to be a 5 ft. cube around you!

If you want to cast Divine Power in a silence dome, you will also need to trade 2 levels of Arcane Trickster for another 2 levels in Mystic Theurge. Combining the two, you could have a:

Rogue 1/Cleric 3/Wizard 3/Mystic Theurge 6/Assassin 1/Arcane Trickster 4/Archmage 2

With mastery of shaping, 4d6 sneak attack, 15th level wizard casting (CL 16th), 9th level cleric casting

Edit: If you are worried to death about being seen, the Competition Domain might work for you, since it gives you a bonus on opposed checks, and almost everything this guy does is an opposed roll.


You have to be evil and the 15 int goes a long way...

DM Counters[edit]

This build mostly looks like fun. It isn't really overpowered. Arguably the mystic theurge levels makes it underpowered.

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