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Xill Creature6

Uncommon LE Medium Aberration Ethereal

Senses Perception +15; darkvision

Languages Aklo

Skills Acrobatics +15, Athletics +14, Deception +12, Intimidation +14, Stealth +15, Warfare Lore +12

Str +4, Dex +5, Con +3, Int +0, Wis +3, Cha +0

Items breastplate, +1 longbow (40 arrows), scimitar (2), steel shield (Hardness 5, HP 20, BT 10)

AC 24 (26 with shield raised); Fort +15, Ref +17, Will +11

HP 100

Attack of Opportunity [reaction]

Shield Block [reaction]

Speed 35 feet

Melee [one-action] scimitar +16 (forceful, sweep), Damage 2d6+7 slashing

Melee [one-action] bite +16, Damage 2d8+7 piercing plus xill paralysis

Ranged [one-action] longbow +17 (deadly 1d10, magical, range 100 feet, reload 0, volley 30 feet), Damage 2d8 piercing

Occult Innate Spells DC 24; 7th plane shift (to Ethereal Plane or Material Plane only, self only)

Double Slash [one-action] (flourish) The xill makes two scimitar Strikes against a single target. If both hit, combine their damage for the purpose of the target’s resistances and weaknesses. The xill applies its multiple attack penalty to each strike normally.

Implant [two-actions] (manipulate) Requirements The xill is adjacent to a unconscious, willing, or paralyzed creature; Effect The xill implants xill eggs in the creature’s flesh.

Xill Eggs (disease) The sickened condition from xill eggs doesn’t improve on its own until the disease is cured or runs its course. It can be cured with a 10-minute operation that requires a successful DC 26 Medicine check and deals +4d6 slashing damage to the host; Saving Throw DC 24 Fortitude; Maximum Duration 24 hours; Stage 1 infested with no ill effect (8 hours); Stage 2 sickened 1 (8 hours); Stage 3 sickened 2 (4 hours); Stage 4 sickened 2 and 2d6 persistent bleed damage as larval xills burrow out of the body and immediately fade away into the Ethereal Plane (1 hour)

Xill Paralysis (incapacitation, occult) A creature hit by the xill’s bite Strike must attempt a DC 24 Fortitude save.

Critical Success The creature is unaffected and is immune to xill paralysis for 1 minute.

Success The creature is slowed 1 for 1 round.

Failure The creature is paralyzed for 1 round.

Critical Failure The creature is paralyzed. It can attempt a new save at the end of each of its turns to recover, and the save DC decreases by 1 each round.


Xills visit the Material Plane, where they’re often known as ethereal stalkers, primarily to maraud and to kidnap creatures back to their native Ethereal Plane. These four-armed, warmongering monsters paralyze their victims before implanting them with eggs using an ovipositor normally kept retracted behind their mandibles. Their single-minded drive to expand and conquer is so all-encompassing that while they work together dutifully and without dissent, there is little else in their lives.

Xills see Material Plane creatures as little more than incubators, but the need for fresh hosts never abates, for on their home plane, xills are constantly at war. Only the relative emptiness of the Ethereal Plane keeps their conflict with creatures like ether spiders from becoming too overwhelming and outpacing the speed at which new ranks of soldiers can replace those who have fallen.

Section 15: Copyright Notice

Pathfinder Bestiary 2 (Second Edition) © 2020, Paizo Inc.; Authors: Alexander Augunas, Dennis Baker, Jesse Benner, Joseph Blomquist, Logan Bonner, Paris Crenshaw, Adam Daigle, Jesse Decker, Darrin Drader, Brian Duckwitz, Robert N. Emerson, Scott Fernandez, Keith Garrett, Scott Gladstein, Matthew Goodall, T.H. Gulliver, BJ Hensley, Tim Hitchcock, Vanessa Hoskins, James Jacobs, Brian R. James, Jason Keeley, John Laffan, Lyz Liddell, Colm Lundberg, Ron Lundeen, Jason Nelson, Randy Price, Jessica Redekop, Patrick Renie, Alistair Rigg, Alex Riggs, David N. Ross, David Schwartz, Mark Seifter, Amber Stewart, Jeffrey Swank, Russ Taylor, and Jason Tondro.