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Elder Lyra

CR 20 plant • D&D 5e Homebrew Creature

Created by @LightReign

Elder Lyra

Large plant, Lawful Neutral

LEGENDARY
CHALLENGE
20
25,000 XP

Introduction

Ancient beyond memory, Elder Lyra has guided the Myconids through a thousand years of war. She has made every impossible choice so her people wouldn't have to.

Ability Scores

STR
12(+1)
DEX
10(+0)
CON
16(+3)
INT
20(+5)
WIS
24(+7)
CHA
18(+4)
ARMOR CLASS
17
HIT POINTS
229
27d10 + 81
SPEED
30 ft.
INITIATIVE
14
+4

Saving Throws

STR+1
Base modifier
DEX+0
Base modifier
CON+3
Base modifier
INT+11
Proficient
WIS+13
Proficient
CHA+10
Proficient
Skills
History +11, Nature +11, Insight +13, Perception +13, Persuasion +10
Damage Immunities
Poison
Condition Immunities
Charmed, Frightened, Poisoned
Senses
Tremorsense 120 ft.; Blindsight 30 ft., passive Perception 23
Languages
Myconid, Sylvan, Telepathy 120 ft. (Spore-Mother network only)

Traits

Spore-Mother's Voice

Elder Lyra is permanently linked to the Spore-Mother's mycelial network. She is aware of every living creature touching the ground within 120 ft. and cannot be surprised. While in Myconid-controlled territory, this range extends to 1 mile.

The air around Lyra shifts almost imperceptibly. She does not look at you — she already knew you were there.
Ancient Wisdom

Elder Lyra has advantage on all Insight and Persuasion checks. Creatures attempting to deceive or charm her must succeed on a DC 21 Wisdom saving throw or the attempt automatically fails.

She listens to everything before speaking. When she does speak, it is clear she heard what you meant, not what you said.
Fungal Resilience

If Elder Lyra is reduced to 0 hit points but not killed outright, she can choose to drop to 1 hit point instead. She can use this trait once, regaining use after a long rest. While at half hit points or fewer, she emanates a faint crimson-tinged spore cloud — not from corruption, but from the Spore-Mother's grief.

The cyan veins in the cavern walls pulse faster. Something deeper than flesh knits together — the Spore-Mother refusing to let go.
Spore Communion

Elder Lyra can communicate telepathically with any creature she has previously touched through her Rapport Spores, regardless of distance, as long as both are within Myconid-controlled territory.

Her eyes go distant for just a moment. Somewhere far away, someone heard her.
Weight of Centuries

Elder Lyra cannot be magically aged and is immune to any effect that would alter her memories.

Nothing in her expression suggests she can be shaken. She has simply seen too much.

Actions

Multiattack

Elder Lyra makes two attacks: one with Veil Lash and one with Spore Eruption. Alternatively she can forgo both to use Network Judgment.

Veil Lash

Melee Weapon Attack: +7 to hit, reach 10 ft., one target.

Hit: 14 (3d8 + 1) bludgeoning damage plus 9 (2d8) poison damage. The target must succeed on a DC 19 Constitution saving throw or be Rooted until the end of their next turn (speed becomes 0, cannot take the Dash action).

The trailing spore-veils whip forward with sudden, terrible force — less like a strike and more like the cave itself reaching out.
Spore Eruption

Ranged Spell Attack: +13 to hit, range 60 ft., one target.

Hit: 22 (4d10) poison damage. The target must succeed on a DC 21 Constitution saving throw or become Disoriented until the end of their next turn — they have disadvantage on attack rolls and cannot take reactions.

She exhales slowly. A dense cloud of bioluminescent spores detonates outward, cyan light strobing in the darkness.
Network Judgment
5-6

Elder Lyra calls upon the Spore-Mother's accumulated memory of 990 years of war. She targets up to 3 creatures she can see within 60 ft. Each must make a DC 21 Wisdom saving throw.

Failure: The target takes 45 (10d8) psychic damage and is Stunned until the end of their next turn — the target can repeat the saving throw at the end of each of its turns, ending the stun on a success.

Success: They take half damage and are not stunned. Undead and constructs are immune.

Lyra goes very still. The mycelial veins across the walls flare white. For a moment the air carries the weight of a thousand years of names.

Bonus Actions

Rapport Spores

Elder Lyra releases spores in a 30 ft. radius. All allied creatures in the area gain telepathic communication with each other and with Elder Lyra until the start of her next turn, and gain advantage on their next saving throw before the start of her next turn.

A gentle release — spores drift outward like breath made visible, threading between allies, connecting them in quiet understanding.
Pragmatic Shelter

Elder Lyra chooses one creature within 30 ft. Until the start of her next turn, all attacks against that creature are made with disadvantage as fungal growth erupts from the ground to shield them. She can choose enemies as well as allies — reflecting her philosophy that survival sometimes means protecting old enemies.

She steps slightly, redirecting her attention. Fungal growth erupts silently underfoot, rising without hesitation around whoever needs it most — friend or enemy alike.

Reactions

The Weight of Leadership

When an allied creature within 60 ft. is reduced to 0 hit points, Elder Lyra can use her reaction to immediately stabilise that creature at 1 hit point. Usable once per round.

Her head turns sharply. Before they hit the ground she is already reaching — not with her hands, but through the network beneath their feet.
Spore-Veil Deflection

When Elder Lyra is hit by an attack, she can use her reaction to halve the damage. Usable 3 times per day.

The layered veils fold inward instinctively, absorbing the blow. She barely moves. She has taken harder hits than this.

Legendary Actions

Legendary Action Uses: 3
Elder Lyra can take 3 legendary actions per round, choosing from the options below. Only one legendary action can be used at a time and only at the end of another creature's turn. She regains spent legendary actions at the start of her turn.
Assess

Elder Lyra studies one creature she can see. She learns its current hit points, any damage vulnerabilities or resistances, and whether it is under any magical effect.

She looks at you the way someone looks at a map they have already memorised. Unhurried. Completely certain of what she sees.
Mycelial Grasp

Tendrils of mycelium erupt in a 10 ft. radius around a point Elder Lyra can see within 60 ft. Each creature in the area must succeed on a DC 19 Strength saving throw or be Restrained until the start of Elder Lyra's next turn.

She does not gesture. The floor simply responds — mycelial tendrils breaking the stone surface in silence, wrapping with patient, inevitable strength.
Impossible Choice (3 actions)

Elder Lyra forces a creature to confront the weight of their own guilt. One creature she can see within 60 ft. must succeed on a DC 21 Wisdom saving throw.

Failure: They are Incapacitated until the end of their next turn, overwhelmed by the memory of their worst decision. Constructs and creatures incapable of guilt are immune.

When she speaks, her voice carries a resonance that has nothing to do with volume. The Spore-Mother speaks through her, and everything connected to this cavern hears it.
Speak for the Network (2 actions)

Elder Lyra channels the Spore-Mother's voice directly. One creature she can see within 60 ft. must succeed on a DC 21 Wisdom saving throw or become Frightened of Elder Lyra until the end of their next turn. If the target creature is a Myconid, it instead becomes Charmed and will not attack Elder Lyra or her allies this turn — she is their Elder, and the network remembers.

She says nothing. She simply looks at you — and whatever you have been carrying longest rises to the surface, unbidden and inescapable.

Lair Actions

Initiative Count: 20
On initiative count 20 (losing ties), Elder Lyra can take one lair action:
Network Pulse

The Spore-Mother's network surges. All creatures of Elder Lyra's choice within 60 ft. regain 15 hit points as mycelial energy flows through the ground beneath them.

The bioluminescent veins along the walls surge bright for one sustained moment. The cavern breathes. Those she fights beside feel it like warmth through stone.
Living Walls

The cavern walls breathe and shift. All difficult terrain within the area doubles, and creatures must succeed on a DC 17 Dexterity saving throw or be pushed 10 ft. in a direction of Elder Lyra's choice.

The cavern shifts almost organically — passages narrowing, floors buckling — as if the cave itself has chosen a side.
Ancient Memory

The Spore-Mother replays a moment of history. One creature Elder Lyra can see must succeed on a DC 21 Wisdom saving throw or be transported mentally to a vision of the Spore War — they are Stunned until initiative count 20 on the next round.

The walls begin to glow with scenes that are not quite shadows — echoes of the Spore War playing out in spore-light across the stone. The past reaches forward and takes hold.

Appearance

Elder Lyra stands apart from younger Myconids in ways that go beyond mere size. She is Large by classification, but she carries herself with a stillness that makes her seem larger still — the kind of presence that quiets a room without effort.

Her cap is ancient and broad, deep umber fading to ash-grey at the edges, its surface mapped with the faint impressions of ten centuries of growth — not damage, but record. Concentric rings mark her age the way stone marks water. The underside of her cap releases a near-constant slow drift of bioluminescent cyan spores, so faint in calm moments they are easy to miss, catching the eye only when she moves or when the light is low.

Her stem is dense and heavily ridged, overgrown at the joints with thick fungal shelving that serves as natural armour. From her upper torso extend four spore-veil tendrils — longer and more developed than any other Myconid in the Reclamation — trailing behind her like half-furled banners. In stillness they hang loose. In combat or in grief, they rise.

Her bioluminescence is predominantly cyan, steady and clear. But below half health, or in moments of deep emotional weight, the edges of her cap and the tips of her tendrils bleed faintly crimson — not corruption, but sorrow made visible. The spores she releases in these moments carry a different quality: heavier, slower, tinged with the rust-red of old grief. Those nearby often describe a sudden and inexplicable sense of loss, as though something important happened just before they arrived.

Her eyes — four of them, arranged in a shallow arc across her upper stem — are a deep, unhurried amber. They do not move quickly. They do not need to. She was aware of you before you entered the room.

She does not wear ornamentation. She does not carry weapons. The only thing she bears is the weight of everyone who did not survive long enough to stand where she stands.

Lore & Origin

Lyra was not always Elder. There were others before her — wiser ones, she will tell you, though no one alive can verify this. She speaks of her predecessors with the particular reverence of someone who outlived them all and has had a thousand years to wonder whether she deserved to.

She was already old when the Breach happened. Already a Spore-Mother's Voice, already a keeper of deep memory, already the kind of Myconid others went quiet around. When the Pulse-Linked crashed through the stone ceiling of the world in Year 0, she was among the first to understand what had happened — and among the first to understand that it could not be undone.

The nine hundred and eighty years that followed are not, in Lyra's telling, a war. They are a problem that took too long to solve. She does not glorify the Spore War. She does not romanticise the dead. She catalogues them. Every Myconid who fell, every spore-circle that went silent, every grove that the Prime Beacon's corruption swallowed — she carries these not as wounds but as data, as proof that the same mistakes must not be made again.

It was Lyra who imprisoned Mycos in Year 980, when his grief had curdled into something that endangered the Reclamation as much as the Thrall. She acted without ceremony, without announcement. She simply did what needed doing and bore the weight of it quietly. Mycos was the greatest hero her people had ever produced. She locked him in the dark anyway.

It was also Lyra who freed him ten years later, when K'varn arrived and the calculus changed. She stood before the sealed grove, opened it herself, and said — according to those present — only: "Things are worse now." Mycos looked at her for a long time before he stepped out. When he went to destroy the Prime Beacon and was banished by the Spore-Mother's own will, Lyra did not argue. She did not chase him. She returned to the Reclamation and began the work of continuing without him. She is, by any measure, the most powerful living Myconid. She is also, by her own measure, simply the one who has not died yet. She does not consider these the same thing. She is not sure they are even related.

What drives her now, in Year 1000, is not victory. She stopped believing in victory sometime around Year 400. What drives her is the possibility — still alive, still unextinguished — that the generation currently fighting might be the last one that has to.

She will do anything to make that true. She has already done things she cannot take back in service of it. She would do them again.

Combat Tactics

Lyra does not want to fight. This is not weakness — it is the first and most important thing a DM should understand about her. Every round she spends in combat is a round she is failing to end the conflict through other means. She will attempt to open dialogue even mid-combat, even against enemies who are actively trying to kill her. She has been doing this for a thousand years and it has worked more often than anyone expects.

When combat is unavoidable, she fights to end it as quickly as possible — not by maximising damage, but by maximising control. Her first priority is always to reduce the number of threats acting freely. Network Judgment on the most dangerous cluster of enemies. Mycelial Grasp on anyone trying to reach her allies. Pragmatic Shelter on whoever is most exposed, even if that person is an enemy she has decided to keep alive for leverage.

She does not target the weakest enemy first. She targets the most dangerous one — the one whose removal changes the shape of the fight. If there is a spellcaster, she shuts them down. If there is a commander, she isolates them. If there is someone on the edge of breaking, she uses Impossible Choice and lets guilt do the work.

She will protect her allies at significant cost to herself. Weight of Leadership is used without hesitation. She has never once watched someone die in front of her and decided they were acceptable losses.

At half health, her crimson spore-bleed begins — and her tactics shift. She becomes more aggressive with Network Judgment, less conservative with her legendary actions. She is not afraid of dying. She is afraid of dying before the work is finished. These are different fears and they produce different behaviour. She will offer surrender before delivering a killing blow. Every time. Even if the enemy has given her no reason to. She will say something like: "This doesn't have to be the end of you." Whether they take the offer is their problem.

Damage Reactions

When struck by physical attacks, Lyra absorbs the blow with a density that surprises most opponents — her stem is ancient hardwood beneath the fungal exterior, and she does not stagger easily. She acknowledges hits with a slow turn of her amber eyes toward whoever landed them, as though filing the information away. She does not cry out.

Poison damage produces no visible effect. She is, in some sense, made of it. When she takes psychic damage, something flickers across her expression — not pain exactly, but recognition. As though the attack has brushed against a memory she keeps carefully stored. She steadies herself deliberately, the cyan veins in her cap pulsing once before returning to their resting rhythm. Fire and radiant damage are her genuine vulnerabilities, and they show. Fire makes her spore-veils recoil and her bioluminescence flare an angry, unstable cyan-white. She does not roar. She goes very still in the way that dangerous things go still. Radiant damage is worse — it causes her visible distress, the kind she cannot fully suppress, her tendrils pulling inward as the light burns through ancient tissue. These are the moments she is most likely to end the fight immediately by any means available.

When she drops below half health and the crimson bleed begins at her cap's edges, she does not acknowledge it. She continues speaking, continues fighting, continues offering surrender to enemies who are actively trying to kill her. The red spores drifting from her are the only indication that something has changed. Those who can feel the Spore-Mother's network say the signal she broadcasts in these moments is not distress. It is resolve.

Behavior & Personality

Lyra is patient in the way that only something very old and very tired can be patient — not serene, not unbothered, but genuinely past the point where urgency feels useful. She has watched a thousand years of urgency produce approximately the same results as waiting. She waits now with more information.

She listens before she speaks. In a group conversation she will often say nothing for long enough that others assume she has no opinion, and then say one thing that reframes everything that came before it. She does not do this for effect. She simply does not speak until she has something worth saying.

She is direct without being blunt. She will tell you an uncomfortable truth, but she will choose her moment and her words with care. She does not soften things that should not be softened. She does not harden things that do not need to be hard. After ten centuries of leading people through an unwinnable war, she has developed a precise sense of what a given person can hear and when. She is curious about outsiders — genuinely, not performatively. Surface-dwellers in particular fascinate her. She will ask questions about the sky with the focused attention of someone conducting important research. She has never seen it. She expects she never will. This does not appear to sadden her, though it is difficult to be certain.

She does not laugh often, but when she does it is real — a low resonant sound, more felt than heard, that makes the spores around her drift in lazy spirals. She finds bureaucratic obstruction genuinely funny. She finds heroic self-sacrifice baffling. She finds cruelty boring.

She remembers everything. Every name, every promise, every betrayal, every small kindness. She does not weaponise this memory often, but when she does, it lands with the precision of someone who has had a very long time to think about exactly what to say.

She will not be manipulated. Not because she is suspicious, but because she has seen every approach and most of the variations. She will usually tell you, gently, what you were trying to do. She is rarely angry about it. She understands why people try.

The thing most people miss about Lyra is that beneath the patience and the weight and the thousand years of accumulated grief, she still wants things to be okay. Not strategically. Not as a calculated position. She just — wants it. The same way she always has. That want is what has kept her alive when nothing else would have been sufficient.

Creator Notes

By LightReign

Elder Lyra is designed as a CR 20 controller and political force rather than a damage dealer. Her average damage output is intentionally low for her CR — approximately 45 per round unoptimised — because her threat comes from conditions, battlefield control, and the psychological weight she carries narratively. She is not meant to kill the party. She is meant to make them reconsider what they are doing and why.

She functions best as a late-campaign NPC ally or ambiguous faction leader rather than a straightforward boss encounter. If used as a boss, the most interesting version of that fight ends when someone takes her up on the surrender offer, not when her HP hits zero.

Balance notes: Spore-Veil Deflection (3/day reaction, halve damage) compensates for her intentionally low AC of 17. Fungal Resilience (once per long rest, drop to 1 HP instead of 0) means she will survive one killing blow, which is narratively important — she has survived everything else for a thousand years and should feel like it. Network Judgment's stun has a repeat save each turn to prevent it becoming a fight-ending lock.

Impossible Choice is flagged as DM discretion for named characters in her history (Mycos, Grizza, Clarota, Torvin) who may have disadvantage on the save due to genuine guilt. This is a narrative tool, not a mechanical rule, and should only apply when it serves the story.

Her crimson spore-bleed below 50% HP is purely cosmetic and carries no mechanical effect — it exists to give the table a visible signal that something has changed, and to reward players who are paying attention to the fiction. Inspired by the archetype of the leader who has outlived every version of the world they were trying to protect, and who keeps going anyway. Designed for the Mycelia Prime homebrew setting, a fully subterranean world currently in the thousandth year of a three-way war between the native Myconid Reclamation, the K'varn-enslaved Crimson Thrall, and the Severed Liberation Resistance.

Created by @LightReign
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