Doppelganger Infiltrator
Medium natural humanoid (shapechanger)
Level 11 Lurker XP 600

HP 90; Bloodied 45Initiative +15
AC 25, Fortitude 21, Reflex 25, Will 23Perception+6
Speed 6

Standard Actions

Dagger (weapon) At-Will

Attack: Melee 1 (one creature); +16 vs. AC

Hit: 2d4 + 6 damage.

Perfect Replica (illusion, polymorph) At-Will

Effect: Melee 1 (one Medium creature). The doppelganger takes on the form of the target and alters its clothing and gear to match those of the target. Until the end of the doppelganger’s next turn, the target is immobilized and takes 6d8 extra damage from the doppelganger’s dagger power. See also replica switch.

Minor Actions

Change Shape (polymorph) At-Will polymorph

Effect: The doppelganger alters its physical form to appear as a Medium humanoid until it uses change shape again or until it drops to 0 hit points. To assume a specific individual’s form, the doppelganger must have seen that individual. Other creatures can make a DC 32 Insight check to discern that the form is a disguise.

Triggered Actions

Replica Switch At-Will

Requirement: The doppelganger must be adjacent to an enemy affected by its perfect replica

Trigger: A melee or ranged attack from an enemy unaffected by the doppelganger’s perfect replica targets the doppelganger.

Effect (Opportunity Action): The doppelganger and the enemy affected by its perfect replica swap places, and the triggering attack instead targets the enemy affected by the doppelganger’s perfect replica.

Skills Bluff +14, Insight +11, Stealth +16
Str 12 (+6)                Dex 22 (+11)                Wis 13 (+6)
Con 18 (+9)                Int 10 (+5)                Cha 19 (+9)

Alignment unaligned        Languages Common
Equipment: dagger .

Published in Monster Vault, page(s) 62, Dungeon Magazine 200.