Emerging from the mist is a towering creature looking like it was crudely made of rotting tree trunks roped together with vines and moss…

Xydred (CR 7; XP 3,200)
CN Large plant
Init +0; Senses low-light vision, tremorsense 600 ft.; Perception +15
AC 21, touch 9, flat-footed 21
(+12 natural, -1 size)
hp 85 (9d8+45)
Fort +11, Ref +3, Will +6
DR 10/slashing; Defensive Abilities harden skin; Immune plant traits
Speed 30 ft.
Melee 2 slams +14 (2d6+8)
Space 10 ft.; Reach 10 ft.
Special Attacks fetid breath (F-DC 21)
Spell-Like Abilities (CL 9th; concentration +10)
Str 26, Dex 10, Con 20, Int 14, Wis 16, Cha 12
Base Atk +6; CMB +15 (+17 bull rush); CMD 25 (27 vs. bull rush)
Feats Ability Focus (fetid breath), Awesome Blow, Improved Bull Rush, Power Attack, Weapon Focus (slam)
Skills Diplomacy +13, Knowledge (nature) +14, Perception +15, Sense Motive +15
Languages Protean, Sylvan
Environment forest, marsh
Organization solitary
Treasure standard
Special Abilities
Fetid Breath (Ex) As a standard action, a xydred can exhale a 20 ft. cone of fetid, rotting breath from its interior. Creatures within the breath must make a Fortitude save (DC 21) or be sickened for 1d4 days. The save DC is Constitution-based. This ability can be used once every three rounds.
Harden Skin (Ex) By holding its breath, a xydred can increase its damage reduction to DR 10/adamantine. When it does this it may not access its fetid breath special ability and its speed is reduced to 20 ft. This ability cannot be used while the fetid breath ability is recharging.

Xydred are beings of arrested and manipulated decay. Their connection to their forest territory is more with the earth and the decomposers living in it than the trees themselves, and a xydred can manipulate the forest floor itself, rearranging the earth with intense localized earthquakes. Xydred feed off the decay of plant and animal matter, yet do not automatically attack intruders into their territory; they are more curious about humanoids than treants are and will often question them about their activities. This does not preclude a xydred killing and burying interlopers later, however!

Fey creatures will sometimes encourage passing adventurers to root one out, promising to help uncover the xydred’s treasure, while elves will more often ignore the creatures, understanding their place in the ecological order, and posting runes on trees outside of their territory.

On Porphyra
The xydred are a result of direct interference with the treants of the worlds’ forests by the forces of Mâl. They readily serve chaotic masters, but are notoriously independent. Many live in the Forest of Gora, The Wild, and the Bogglewood.