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Image  copyright Matthew Meyers. See more at, Jubokko
Image copyright Matthew Meyers. See more at

Jubokko – The tree that had been standing still erupts to hideous life, its roots pulling themselves from the earth like a spider’s legs and blood-stained claws growing from its branches.

Source Demiurge113
Originally posted on Probing the Membrane of Science

Trees that grow on bloodstained fields rarely grow healthily. They become twisted and gnarled, and the superstitious claim they can see the faces of dead men in the bark. Trees that grow on the sites of the most violent battles and absorb the blood of thousands through their roots become addicted to it, transforming into the predatory plants known as jubokko.

A jubokko can resemble any manner of deciduous tree, but most form from beeches, cherry, oaks and magnolias. Sharp hollow claws grow beneath their leaves, allowing them to spill more blood, and they become able to uproot themselves and move across the landscape, albeit slowly.

Sharp-eyed travelers may spot the dried skeletons hanging from the branches and tangled within the roots of a jubokko before they see the tree’s own monstrous appearance.

Undead creatures of all types are attracted to jubokko, as the bloody mist they excrete stimulates the flesh of the unliving. Such monsters do not hunt cooperatively with the jubokko, but neither do they attempt to steal its victims from it— a jubokko could just as easily tear them to pieces, after all.

Jubokko CR 14
XP 38,400

NE Gargantuan plant

Init +2; Senses blindsight 60 ft., Perception +20
AC 28, touch 13, flat-footed 28 (-4 size, -2 Dexterity, +15 natural, +9 profane)

hp 202 (15d8+135)

Fort +18, Ref +3, Will +8

DR 15/slashing and cold iron; Immune plant traits; Resist electricity 10, fire 10; SR 25
Speed 20 ft.

Melee 4 claws +18 (2d6+11/19-20 plus bleed and grab)

Space 20 ft.; Reach 20 ft.

Special Attacks bleed (1d6), blood drain (1d4 Constitution), blood mist, pernicious bleed
Strength 32, Dexterity 6, Constitution 28, Intelligence 3, Wisdom 17, Charisma 13

Base Atk +11; CMB +26 (+30 grapple); CMD 34

Feats Awesome Blow, Improved Bull’s Rush. Improved Critical (claw), Improved Initiative, Improved Vital Strike, Power Attack, Stand Still, Vital Strike

Skills Perception +20

SQ agile grappler, superior camouflage
Environment temperate hills and forests

Organization solitary, pair or grove (3-12)

Treasure incidental
Agile Grappler (Ex) A jubokko can make grapple checks using only part of its body at a -10 penalty, and does not gain the grappled condition when grappling a creature of Large size or smaller

Blood Mist (Su) Once per day as a move action that does not provoke attacks of opportunity, a jubokko can emit a cloying red mist in a 30 foot radius. Living creatures within the mist have their vision obscured as per an obscuring mist spell and must succeed a DC 25 Fortitude save or be nauseated as long as they remain within the mist and for 1d4 rounds thereafter.

A creature that successfully saves against this effect is immune to the blood mist of that jubokko for 24 hours. Undead creatures can see through the mist normally, and gain fast healing equal to the jubokko’s Hit Dice (15 for a typical specimen) as long as they remain in the mist. The mist lasts for 10 rounds, but can be dispelled with a gust of wind or similar effect. This is a necromancy effect. The save DC is Charisma-based.

Pernicious Bleed (Su) Bleed damage dealt by a jubokko stacks with itself.

Superior Camouflage (Ex) The similarities between an ordinary tree and a jubokko are so extreme that all observers must succeed a DC 30 Perception check or Knowledge (nature) check to notice it before it attacks for the first time.
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