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This flame-red humanoid appears to be a strange mix of insect and reptile, with four arms and twitching, fanged mandibles.

Xill CR 6

XP 2,400
LE Medium outsider (evil, extraplanar)
Init +8; Senses darkvision 60 ft.; Perception +13


AC 21, touch 14, flat-footed 17 (+4 Dex, +5 natural, +2 shield)
hp 67 (9d10+18)
Fort +8, Ref +10, Will +6
SR 17


Speed 40 ft.
Melee short swords +13/+13/+8 (1d6+3/19–20), claw +13 (1d4+3 plus grab), bite +7 (1d3+1 plus paralysis), or 4 claws +13 (1d4+3 plus grab), bite +12 (1d3+3 plus paralysis)
Ranged 2 longbows +13 (1d8/×3)
Special Attacks implant, paralysis (1d4 hours, DC 16)


Str 17, Dex 18, Con 14, Int 15, Wis 12, Cha 11
Base Atk +9; CMB +12 (+16 grapple); CMD 26
Feats Combat Reflexes, Improved Initiative, Iron Will, Weapon Focus (claw, short sword)
Skills Acrobatics +16, Bluff +12, Intimidate +12, Knowledge (arcana) +14, Knowledge (planes) +14, Perception +13, Sense Motive +13, Stealth +14
Languages Common, Infernal
SQ multiweapon mastery, planewalk


Implant (Ex)

As a standard action, a xill can lay 2d6 eggs in a helpless creature. A xill's eggs hatch in 24 hours, at which point the young consume the host from within, inflicting 1 point of Con damage per hour per young until the host dies. The young then emerge and planewalk to the Ethereal Plane, if possible, to mature. A remove disease spell (or similar effect) rids a victim of all implanted eggs or active young, or they can be cut out one at a time with DC 20 Heal checks (each attempt takes 10 minutes). If a check fails, the healer can try again, but each attempt (successful or not) deals 1d4 points of damage to the patient.

Multiweapon Mastery (Ex)

A xill never takes penalties to an attack roll when fighting with multiple weapons, and treats claws as primary attacks even when also wielding weapons.

Planewalk (Ex)

A xill can shift from the Ethereal Plane to the Material Plane as a move action. Shifting from the Material Plane to the Ethereal Plane takes 2 consecutive full-round actions, during which time the xill is immobile. As a xill fades away, it becomes harder to hit: opponents have a 20% miss chance in the first round and a 50% miss chance in the second. A xill can take a single willing or helpless creature with it when it switches planes.