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Gleamroot Stalker - AI-generated fantasy Monster

Gleamroot Stalker

Rangers tell of faintly glowing trails and the sudden silence of birds before a Stalker strikes. Old herbalists consider the bioluminescent fronds to be omens of both good mushroom harvests and hidden danger. Some druids cultivate the mycelial threads to hide places from unwelcome eyes, while others cut them ruthlessly.

Medium plant · Moderate · Uncommon

Gleamroot Stalker

A moss-and-mushroom ambush predator that uses blinding spores and grappling vines to isolate prey and drag it into a consuming maw.
AC15
HP85/85
CRModerate
Init
STR
DEX
CON
INT
WIS
CHA
ConditionsNone

Combat

AC 15 · HP 85 · Moderate

Gleamroot Stalker

Medium plant (fey-touched fungal predator), neutral
Armor Class15 (natural armor)
Hit Points85 (10d10 + 30)
Speed
30 ft,
climb 30 ft
STR
DEX
CON
INT
WIS
CHA
Saving ThrowsDexCon
SkillsStealthPerceptionAthletics
Damage Resistances
poison damage,
bludgeoning from nonmagical attacks
Immunities
disease,
charmed while rooted
Weaknesses
vulnerability to fire if the mycelial knot is directly exposed,
bright, sustained light hampers its stealth and fungal bloom recharge
Senses
darkvision 60 ft,
tremorsense 10 ft,
passive Perception 15
Languages
Sylvan,
Understands Common but does not speak
ChallengeModerate
Rooted Camouflage. While motionless and partially buried the Gleamroot Stalker has advantage on Dexterity (Stealth) checks and on checks to hide.
Mycelial Regrowth. The Stalker does not need to eat in a conventional sense. It regenerates 5 hit points at the start of its turn while touching soil or decaying organic matter. If exposed to direct fire or continuous radiant damage for more than 6 seconds it loses this regeneration until the start of its next turn.
Bioluminescent Beacon. The Stalker's bioluminescent fronds shed dim light in a 10-foot radius. Friends and creatures emotionally connected to the Stalker can sense distant chemical calls through the mycelial web up to 300 feet away.

Spells

Entangle (level 1, conjuration). The Gleamroot Stalker casts these spells innately, requiring no material components. The spellcasting ability is Wisdom (spell save ).
Spike Growth (level 2, transmutation). The Gleamroot Stalker can cast Spike Growth to slow and damage foes in tangled terrain.
Pass Without Trace (at will, limited area) (cantrip, abjuration). At will, the Stalker can cast Pass Without Trace but only within 30 feet of itself to mask movement for itself and allied fungal creatures.

Actions

Multiattack. The Gleamroot Stalker makes one bite attack and one vine lash attack.
Bite. Melee Weapon Attack: to hit, reach 5 ft, one target. Hit: 11 () piercing damage plus 7 () necrotic damage as the fungal mouth sloughs a sticky, corrosive film.
Vine Lash. Melee Weapon Attack: to hit, reach 15 ft, one target. Hit: 9 () bludgeoning damage and the target is grappled (escape ). Until this grapple ends, the target is restrained and the Gleamroot Stalker can use a bonus action to deal 9 () bludgeoning damage as the vine squeezes. The vine can grapple only one target at a time.
Fungal Bloom. Recharge 5-6. The Stalker exhales a dazzling cloud of bioluminescent spores in a 20-foot cone. Each creature in that area must succeed on a Constitution saving throw or be blinded and poisoned for 1 minute and gain one level of exhaustion. A blinded or poisoned creature can repeat the save at the end of each of its turns, ending the effect on itself on a success. Creatures that succeed on the initial save are immune to this Stalker's spore cloud for 24 hours.

Reactions

Retaliatory Spores. When a creature within 10 feet hits the Stalker with a melee attack the Stalker can exhale a spray of irritant spores. The attacker must succeed on a Constitution saving throw or take 5 () poison damage and have disadvantage on its next attack roll. The Stalker can use this reaction a number of times equal to its Constitution modifier per long rest.
Role
Skirmisher and battlefield controller
Built for
5

Notes for the game master

Challenge 5; the statline is tuned for ambush and control rather than brute damage absorption.
Fungal Bloom uses a Constitution save; consider resistances and immunities players might employ.

Tactics

  1. Opening

    Start hidden in underbrush or partially buried. Attempt a surprise grapple with Vine Lash to pull a target into melee, then follow up with Bite. If the party clusters, open with Fungal Bloom to gain advantage from blinded enemies.

  2. Mid-fight

    Use vines to isolate squishier targets and drag them into melee while launching Bite attacks and the occasional Fungal Bloom to disorient grouped foes. Use innate spells to shape terrain and hamper pursuers.

  3. End of the fight

    Focus on restraining one or two foes with vine lash to keep them from supporting allies while using Fungal Bloom to break enemy formations. If outmatched the Stalker attempts to retreat into thick cover or collapse into the ground to pull a grappled victim with it.

  4. Retreat

    If reduced to less than a quarter of its hit points the Stalker collapses into the earth and attempts to dig and escape. Allies may attempt to defend a retreating Stalker if they are other rooted fungus or territorial beasts.

How it fights

Use stealth and cover to gain surprise and grapple a single target to isolate them.
Cast Entangle or Spike Growth to shape the battlefield to the Stalker's advantage.
Prioritize targets that threaten its ability to remain concealed such as characters with fire spells or long-range weapons.

Who it attacks first

Ranged characters and spellcasters who break stealth
Single, isolated party members
Support creatures that can remove conditions or deal radiant/fire damage

Works well with

Works well with swarms of small fungal minions or vine-ensnared allies that can exploit restrained foes.
Combines with area denial spells or effects to trap parties and pick them off.

How to beat it

Fire and radiant damage reduce its ability to hide and can deny it cover of spores.
Ranged attackers and mobility spells foil its preference for close, grappled kills.
Protection from Poison and high Constitution saves negate its spore effects.

Ways to avoid a fight

A druid can gently parley by feeding the mycelium and singing to it, calming a Stalker enough to allow safe passage.
Harvesting spores under a druid's care can produce a faintly glowing dye used in rituals.
Removing a Stalker from an area often requires destroying or carefully transplanting its central root knot.

Ecology

A squat, quadrupedal mass resembling a mossy hound fused with a tangle of pale vines and luminous fungal fronds. Its eyes are many and beadlike, set low and rimmed in gel. Pale blue spores drift constantly from its gills and the tips of its vines glow like embers in fog.

Behavior

Patient ambusher. The Gleamroot Stalker lies motionless for long stretches, its fungal fronds absorbing light and siphoning nutrients. It is territorial and increasingly aggressive when its mycelial web is disturbed. It prefers to strike from concealment and isolate opponents rather than face a coordinated group head-on.

How it lives

Gleamroot Stalkers form from symbioses of predatory vines and bioluminescent fungi in damp, shaded places. Their mycelial networks tie into local root systems and sometimes into the memories of particularly old groves, storing chemical traces of prey and recent travelers. They help recycle large carcasses and can dominate small clearing ecosystems. Packs interconnect via fungal threads to coordinate ambushes.

Lair

A matted hollow network of roots and glowing mushrooms, often with small pools of brackish water. The lair's ceilings and walls are studded with fungal fronds that release faint spores when disturbed. In its lair the Stalker can extend concealed vines throughout the area to detect movement and pull traps tight.

Habitat
Temperate forests, marsh margins, ancient overgrown ruins

Signs that it is near

soft blue bioluminescent glow under leaf litter at night
matted fungal fronds and faintly slick footprints
clusters of unusual mushrooms that seem to lean toward one another

Tags

plant,
fungus,
ambusher,
bioluminescent

Lore

Rangers tell of faintly glowing trails and the sudden silence of birds before a Stalker strikes. Old herbalists consider the bioluminescent fronds to be omens of both good mushroom harvests and hidden danger. Some druids cultivate the mycelial threads to hide places from unwelcome eyes, while others cut them ruthlessly.

What drives it

To feed and expand its mycelial territory. It defends the webbed area fiercely and seeks to reclaim land fouled or burned by intruders.

After the fight

If left undisturbed the body of a defeated Gleamroot Stalker sinks into the earth, its fungal network seeding the soil. Within a week clusters of bioluminescent mushrooms grow where the corpse fell, attracting small predators and, in damaged ecosystems, causing local water sources to smell faintly of algae. If the root knot is rapidly burned or its mycelium salted the spread can be halted, though such treatment scars the land for months.

“Old herbalists consider the bioluminescent fronds to be omens of both good mushroom harvests and hidden danger.”
From its lore

Variants

Ruinfed Gleamroot Stalker: larger and more acidic spores, appropriate for CR 7 encounters.
Young Gleamroot Stalker: smaller, CR 2 variant without Spike Growth and with weaker Fungal Bloom effects.

Hooks

Plot hooks

A village well is fouled by glowing mushrooms that appeared after a Gleamroot Stalker settled nearby.
A druidic shrine the party seeks is guarded by a Stalker that will not yield unless convinced or subdued.
Merchants want a sample of the Stalker’s spore to manufacture a light-based lure or a hallucinogenic pigment.

How to use it

Ambush on forest road where party is moving slowly.
Guardian of a ruined altar whose light the Stalker feeds on.
A stalking hazard in a marshy ruin, pulling one party member into the muck to separate them.

Treasure

A clutch of pale fungal spores valuable to alchemists and herbalists
A strand of living mycelium that can be used to craft a minor camouflage charm

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