From Pathfinder Society Scenario #4-99: Blessings of the Forest, which isn't enabled.

Ambush Observer

CREATURE 4

Variant burglar

Burglars specialize in breaking and entering to rob homes and businesses. These criminals focus on gaining access to secure buildings and bypassing traps and other security measures while remaining undetected all the while.

Some criminals are the desperate who have no option but to break the law to survive, while others choose a life of crime for thrills, forming gangs or underworld guilds that specialize in certain illegal ventures.

Perception +10; low-light vision

Languages Common, Elven

Skills Acrobatics +10, Athletics +8, Deception +7, Society +7, Stealth +12, Thievery +12, Underworld Lore +7

Str +2, Dex +4, Con +1, Int +1, Wis +2, Cha +1

Items Composite Shortbow, Sap, Shortsword, Leather Armor, Climbing Kit, Thieves' Tools, Darkvision Elixir (Lesser), Arrows (10)

AC 21 (22 vs. traps); Fort +7, Ref +12, Will +10; +1 circumstance to all saves vs. traps

HP 60

+1 Circumstance to All Saves vs. Traps

Deny Advantage

The ambush observer isn't Off-Guard to creatures of 4th level or lower that are Hidden, Undetected, flanking, or using surprise attack.

Nimble Dodge

Trigger The ambush observer is targeted with a melee or ranged attack by an attacker it can see

Effect The ambush observer gains a +2 circumstance bonus to AC against the triggering attack.

Speed 30 feet

Melee Shortsword +14 (agile, finesse, versatile s), Damage 1d6+6 piercing

Melee Sap +12 (agile, nonlethal), Damage 1d6+4 bludgeoning

Ranged Composite Shortbow +14 (deadly d10, propulsive, reload 0, range increment 60 feet), Damage 1d6+4 piercing

Mobility

When the ambush observer Strides half their Speed or less, that movement does not trigger reactions.

Sneak Attack

The burglambush observer deals 1d6 extra precision damage to Off-Guard creatures.

Surprise Attack

On the first round of combat, if the ambush observer rolls Deception or Stealth for initiative, creatures that haven't acted are Off-Guard to them.

Pathfinder Society Scenario #4-99: Blessings of the ForestOGL