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To qualify to become an Infiltrator, a character must fulfill the following criteria.

Base Attack Bonus: +2.

Skills: Hide 6 ranks, Move Silently 6 ranks.

Class Information

The following information pertains to the Infiltrator advanced class.

Hit Die: 1d8

Action Points: 6 + one-half character level, rounded down, every time the infiltrator attains a new level in this class.

Class Skills

The Infiltrator’s class skills (and the key ability for each skill) are: Balance (Dex), Climb (Str), Disable Device (Int), Disguise (Cha), Escape Artist (Dex), Hide (Dex), Investigate (Int), Jump (Str), Knowledge (art, business, current events, popular culture, streetwise) (Int), Listen (Wis), Move Silently (Dex), Profession (Wis), Read/Write Language (none), Search (Int), Sleight of Hand (Dex), Speak Language (none), Spot (Wis), Tumble (Dex).

Skill Points at Each Level: 7 + Int modifier.

Class Features

The following features pertain to the Infiltrator advanced class.

Table: The Infiltrator
Class LevelBase Attack BonusFort SaveRef SaveWill SaveClass FeaturesDefense BonusReputation Bonus
2nd+1+0+3+0Improvised implements+2+1
3rd+1+1+3+1Bonus feat+2+1
4th+2+1+4+1Improved evasion+3+2
5th+2+1+4+1Skill mastery+4+2
6th+3+2+5+2Bonus feat+4+2
7th+3+2+5+2Improvised weapon damage+5+3
8th+4+2+6+2Improved sweep+6+3
9th+4+3+6+3Bonus feat+6+3
10th+5+3+7+3Without a trace+7+4


An Infiltrator knows how to size up an area and get the lay of the land in a single sweep of his or her eyes. This sweep provides a +4 circumstance bonus on Spot checks and covers an area out to 30 feet away from the Infiltrator. The Infiltrator can use this bonus at the start of an encounter.

Anything not concealed can be spotted in a sweep with a successful check (DC 10). The DC for concealed or less obvious threats is equal to their Hide check result.

Improvised Implements

At 2nd level, an Infiltrator no longer takes a –4 penalty when wielding an improvised weapon. Also, the Infiltrator is able to make do without proper equipment in certain circumstances: the Infiltrator no longer takes a –4 penalty when using the Climb and Disable Device skills without the proper tools.

Bonus Feats

At 3rd, 6th, and 9th level, the Infiltrator gets a bonus feat. The bonus feat must be selected from the following list, and the Infiltrator must meet all the prerequisites of the feat to select it.

Acrobatic, Alertness, Armor Proficiency (light), Athletic, Attentive, Brawl, Cautious, Defensive Martial Arts, Dodge, Elusive Target, Meticulous, Mobility, Nimble, Renown, Run, Stealthy.

Improved Evasion

If an Infiltrator of 4th level or higher is exposed to any effect that normally allows a character to attempt a Reflex saving throw for half damage, the Infiltrator suffers no damage if he or she makes a successful saving throw and only half damage on a failed save. Improved evasion can only be used when wearing light armor or no armor.

For an Infiltrator who does not have evasion (see the Fast hero class description), improved evasion counts as evasion for the purpose of meeting the prerequisites on the Fast hero’s defensive talent tree.

Skill Mastery

At 5th level, an Infiltrator selects a number of skills from his or her class list equal to 3 + his or her Intelligence modifier. When making a check using one of these skills, the Infiltrator may take 10 even if stress and distractions would normally prevent him or her from doing so.

Improvised Weapon Damage

At 7th level, an Infiltrator’s attacks with improvised weapons deal more damage. The Infiltrator treats an improvised weapon as one size category larger than it is for the purpose of determining the damage it deals.

Improved Sweep

At 8th level, an Infiltrator’s ability to get the lay of the land improves. Now the Infiltrator not only spots potential perils with a successful check, he or she can determine the relative strength of these dangers. A successful check relates the danger’s strength compared to the Infiltrator: stronger (higher level or Hit Dice), on par (same level or HD), or weaker (lower level or HD).

Without a Trace

At 10th level, when an Infiltrator uses any of the following skills: Balance, Climb, Disable Device, Escape Artist, Hide, Move Silently, and Sleight of Hand, those using Investigate, Listen, Search, or Spot to detect the Infiltrator’s activity take a –4 penalty.

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