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Spawn of Yog-Sothoth

The shape of this creature gives the impression of a squirming mass accompanied by an indescribable monstrous stench.

Yog-Sothoth

The cosmic entity Yog-Sothoth was first mentioned in The Case of Charles Dexter Ward (written 1927, first published 1941). The being is said to take the form of a conglomeration of glowing spheres. It is an all-knowing deity, which means it knows the past, present, and future. Yog-Sothoth is coterminous with all time and space, yet is supposedly locked outside of the universe we inhabit. Its cosmic nature is hinted at in this passage from “Through the Gates of the Silver Key” (1934) by Lovecraft and E. Hoffmann Price:

Source Archives of Nethys

Source Carrion Hill pg. 30

Although the spawn of Yog-Sothoth are naturally invisible, they exude a hideous and unforgettable stench. They are begotten upon the world as the results of vile rituals in which cultists call down the essence of Yog-Sothoth from beyond the stars to impregnate a humanoid creature, for the Outer God is not of this dimension or world; only by incorporating flesh and bone of a mortal can its spawn exist. Upon death, a spawn’s flesh rapidly melts until nothing but a crusty stain remains.

Ancient legend holds that the spawn of Yog-Sothoth are inflicted upon a world to clear it of all sane life and to prepare the way for the return of the Great Old Ones to their former dominion. Yet a spawn’s ravenous and constant thirst for blood may be just as responsible for driving it to heights of mayhem and destruction that mark its presence in a region.

A spawn of Yog-Sothoth grows quickly to the size presented here, but if it continues to feed, it also continues to grow, albeit at a lesser rate. A truly ancient spawn of Yog-Sothoth can be the size of a barn or even a small hill.

Not all spawn of Yog-Sothoth are as massive or inhuman as the one presented here. Some (often twins to their more monstrous kin) remain roughly humanoid in shape and size, although their deformities are so great that they must wear disguises or several layers of baggy clothing in order to walk unchallenged in civilized regions. These sinister creatures have a wide range of strange and unusual abilities and appearances.

Spawn of Yog-Sothoth CR 10
XP 9,600
CE Large aberration (extraplanar)Init +6;
Senses Blindsight 30 ft., Darkvision 60 ft.; Perception +20 Aura stench (DC 22, 10 rounds)
DEFENSE
AC 24, touch 11, flat-footed 22 (+2 Dexterity, +13 natural, -1 size)

hp 133 (14d8+70)

Fort +9, Ref +8, Will +12

Defensive Abilities natural invisibility; DR 10/magic; Immune cold, fire; Resist sonic 10; SR 20
OFFENSE
Speed 30 ft., Climb 30 ft. Melee 1 bite +17 (1d8+8/19-20), 4 tentacles +16 (1d6+4 plus grab)

Space 10 ft., Reach 10 ft.

Special Attacks blood drain, devastation
Statistics
Strength 26, Dexterity 15, Constitution 21, Intelligence 17, Wisdom 17, Charisma 20

Base Atk +10; CMB +19; CMD 31

Feats Combat Reflexes, Improved Critical (bite), Improved Initiative, Lightning Reflexes, Multiattack, Vital Strike, Weapon Focus (tentacles)

Skills Climb +33, Escape Artist +19, Intimidate +22, Knowledge (arcana) +17, Perception +20, Spellcraft +20, Stealth +15
Languages Aklo
SPECIAL ABILITIES
Blood Drain (Ex):  If a spawn of Yog-Sothoth establishes or maintains a pin with a tentacle, it drains blood via tiny slavering mouths that open along the tentacle’s length, dealing 1d4 points of Constitution damage.

Devastation (Ex): As a full-round action, the spawn can assault a structure, dealing 4d6+16 points of damage to the structure in that round.

Natural invisibility (Ex): This ability is constant a spawn is invisible at all times, even when attacking. This ability is subject to effects like invisibility purge, glitterdust, and faerie fire, but cannot be dispelled.
ECOLOGY
Environment temperate hills
Organization solitary
Treasure standard
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