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  1. Eidolon Online
  3. Lore

Eidolon Online — Bestiary Loot Codex

Eidolon Online — Bestiary Loot Codex

An officially recognized system archive detailing recoverable materials, relics, and anomalies extracted from hostile entities within Eidolon Online.

All hostile entities in Eidolon Online leave behind Monster Cores upon defeat. Beyond this universal currency, certain creatures yield materials, relics, and rare anomalies tied to their origin, environment, and metaphysical nature. Drops are not guaranteed; rarity scales with danger, repetition, and narrative weight.

Universal Drop

Monster Cores [Currency] (Small / Medium / Large)
Condensed fragments of defeated entities, used for currency, crafting, gacha pulls, upgrades, rebinding costs, and faction systems.
All monsters drop Monster Cores.

Legendary Spawn Classification & Legendary Monster Cores

Certain monsters within Eidolon Online possess an exceptionally rare 1% chance to spawn within their native regions. These entities are formally classified by the system as Legendary Monsters.

Legendary Monsters are not merely stronger variants—they exhibit heightened awareness, altered behaviors, and often leave lasting impressions on the world and its inhabitants.

Upon defeat, Legendary Monsters have a chance to drop Legendary Monster Cores.

Legendary Monster Cores are not recognized as currency and cannot be traded, sold, or used for gacha systems. Instead, they serve as high-tier crafting catalysts, required for the creation, reforging, and upgrading of Legendary Items. Many legendary recipes are inaccessible without one.

System Notice: Legendary Monster Cores resonate with prior victories and failures. Repeated attempts against Legendary Monsters may subtly influence drop outcomes—or the monster itself.

Desert & Undead Entities

Shifting Sands Mummy

  • Desiccated Linen Wraps

  • Sand-Scoured Bone Fragments

  • Minor Burial Charms

  • Core Variant: Desert-Touched Core

Amun-Ra’tek, The Undying Vizier (Legendary)

  • Vizier’s Eternal Sigil (Relic)

  • Gilded Funerary Plating

  • Necrotic Amber Shards

  • Memory-Scarred Monster Cores

  • Rare: Judgment of Finality (Legendary Relic Core)

Zombie

  • Rotting Flesh Samples

  • Broken Personal Effects

  • Faded Soul Residue

  • Rare: Lingering Will Fragment

Gashadokuro

  • Colossal Bone Segments

  • Death-Rattle Marrow

  • Ancient Battlefield Relics

  • Core Variant: Mass Grave Core

Elementals & Manifest Forces

Inferno Mephit

  • Ember Crystals

  • Soot-Blackened Wings

  • Volatile Fire Essences

Djinn

  • Bottled Wind Essence

  • Arcane Sand Vials

  • Wish-Echo Residue

  • Rare: Unstable Pact Fragment

The Whirling Dervish

  • Motion-Condensed Sand

  • Cyclone Filaments

  • Pure Momentum Core

  • Rare: Velocity Sigil

Beasts & Predators

Red Wyrm

  • Crimson Dragon Scales

  • Smoldering Heart Fragments

  • Volcanic Bone Spikes

  • Core Variant: Draconic Core

Black Annis

  • Witch-Hide Leather

  • Bone-Claw Talons

  • Cursed Folklore Tokens

  • Rare: Night Hag Whisper Thread

Leshen

  • Living Root Fibers

  • Forest Totem Shards

  • Verdant Spirit Sap

  • Core Variant: Primal Grove Core

Verdant Warden

  • Living Bark Armor Plates

  • Growth Crystals

  • Nature-Bound Core

  • Rare: Heartseed Relic

Monstrosities & Aberrations

Mirefold Ooze

  • Alchemical Slime Gel

  • Corrosive Residue

  • Swamp Gas Capsules

Cipactli

  • Primordial Scale Plates

  • Abyssal Teeth

  • Chaos-Infused Core

  • Rare: World-Devourer Fragment

Dune Devourer

  • Chitinous Segments

  • Crystalline Teeth

  • Tremor-Sense Core

  • Rare: Burrowing Apex Core

Níðhöggr

  • Entropy-Scarred Scales

  • Void-Touched Spine Fragments

  • Corruption Condensate

  • Core Variant: Entropy Core

  • Extremely Rare: Root of Unmaking

Forest & Low-Level Creatures

Giant Forest Spider

  • Venom Glands

  • Silk Cables

  • Chitin Plates

Goblin

  • Crude Weapons

  • Stolen Trinkets

  • Scrap Pouches

  • Rare: Lucky Goblin Charm

P’Orcs (Boarkin)

  • Reinforced Hide

  • Tusks & Bone Spurs

  • War Totem Scraps

Anomalous Creatures

Vorpal Bunny

  • Razor Incisors

  • Arcane Fur Tufts

  • Speed-Infused Core

  • Rare: Blinkstrike Fragment

  • Vorpal Dagger (Legendary Crafting Relic — Extremely Rare)
    On exceptionally rare defeats, a Vorpal Bunny may leave behind a fully formed Vorpal Dagger—a compact, impossibly sharp blade humming with condensed spatial violence. These daggers are not intended for sustained use, but instead serve as keystone components in the forging of Legendary Darkblade and Shadeweaver weapons.

    Vorpal Daggers retain a fragment of the creature’s unnatural speed and blink-strike lethality. When incorporated into advanced weapon crafting, they impart traits associated with instant severance, shadow-step acceleration, and reality-shearing edges.

    System Note: Vorpal Daggers cannot be sold or dismantled. They may only be consumed during Legendary-tier weapon creation.

Horned Bunny

  • Polished Horn Nubs

  • Soft Fur Bundles

  • Minor Beast Core

System Notes

  • Repeated kills improve material yield consistency.

  • Legendary entities may drop items that remember prior defeats.

  • Certain relic drops alter NPC dialogue, quest flags, or regional myths.

  • Some items cannot be sold—only kept, consumed, or lost.

Archivist’s Closing Note

“What you take from a fallen creature is not merely loot—it is proof that the world remembers the struggle.”