Arachnid Overlord

medium aberration (humanoid), chaotic evil

D&D 5.5 / SRD 5.2

Challenge 10 (5,900 XP)

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STR
20 (+5)
DEX
18 (+4)
CON
18 (+4)
INT
12 (+1)
WIS
10
CHA
16 (+3)

Proficiencies & Senses

Saving Throws strength, constitution
Skills
Stealth +8, Athletics +9, Deception +7, Acrobatics +8, Persuasion +7, Performance +7, Intimidation +7, Sleight of hand +8
Senses
darkvision 60 ft.
blindsight 10 ft.
passive Perception 10

Characteristics

Damage Vulnerabilities
Damage Resistances
bludgeoning, piercing, slashing from nonmagical attacks
Damage Immunities
poison
Condition Immunities
charmed, poisoned, frightened
Languages Common, Infernal

Spellcasting

Spellcasting

Spellcasting
Spell-like attacks and homebrew spells used by this monster.
Spell-like
Web Shot Homebrew Spell-like Action

Ranged attack. The Arachnid Overlord can shoot a strand of web at a target within range. On a hit, the target takes 20 (4d6) damage and must succeed on a DC 14 Strength saving throw or become restrained until the end of its next turn.

Traits and Actions

Spider Climb

Trait
Climbing Custom
The Arachnid Overlord can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.

Climbing. Allows the monster to ignore difficult terrain when climbing.

Multiple Eyes

Trait
Perception Rule
The Arachnid Overlord has an advantage on Wisdom (Perception) checks that rely on sight.

Combat Behavior

Tactics


• Employs range attacks first, targeting spellcasters
• Uses terrain to hide and ambush
• Lays traps with webs before attacking in melee
• Swaps between melee and ranged strategies based on situation
• Avoids direct confrontation when low on health

Combat Style

Aggressive and cunning.

Morale

Fights to the death but retreats when heavily wounded, using tactics to escape and regroup.

Monster Description

The Arachnid Overlord is a nightmarish fusion of humanoid and arachnid characteristics, embodying a terrifying presence that haunts the darkest corners of the world. Residing in abandoned castles and shadowy forests, this creature retains a human torso but is supported by massive spider-like legs. Its form is accentuated by multiple glowing eyes that allow it to perceive threats from all angles.

This creature is said to have been cursed by wicked sorcery, granting it monstrous form and insatiable hunger for power. Local tales warn that its lair is filled with the remains of unfortunate adventurers, while its venomous breath and deadly fangs ensure that those who survive its first assault rarely escape the second.

The Arachnid Overlord is not merely a beast; it possesses an ancient evil intelligence, making it a master tactician in battle, often employing webs to snare its targets before choosing to finish them off with a vicious bite or a powerful punch. Those who seek to challenge it must be wary: it has been known to summon webs to entrap entire groups, leaving them helpless against its voracious consumption. It is often perceived as a dark deity by its minions, demanding tributes of both wealth and souls in exchange for protection and favor, showing a complex and demented form of governance over its territory.

Monster behavior

The Arachnid Overlord is a cunning manipulator in combat. It employs its web shot to restrain enemies, often targeting spellcasters and ranged fighters first. Using the terrain to its advantage allows it to employ hit-and-run tactics, striking hard with its slicing legs and poisonous bite. When surrounded, it unleashes its ultimate attacks to finish foes swiftly, taking care to leave behind a trail of chaos that dissuades others from approaching its lair. It often plays with its prey, savoring the fear it instills before delivering the lethal blow.

Tactically, the Arachnid Overlord focuses on taking out weaker enemies first, systematically dismantling the party's ability to function in unison before taking on the strongest opposition. If it finds itself overwhelmed, it has been known to retreat, laying traps for pursuers or waiting for the opportunity to strike from ambush once again.

Ecology

As a predatory aberration, the Arachnid Overlord occupies a unique ecological niche, primarily feeding on the remains of intruders who wander into its territory. It is a solitary creature that thrives in dark, damp locations, utilizing its webbing to create snares and traps that lure unsuspecting victims. While it disturbs the local ecosystems often, its influence keeps certain populations, such as insects and small prey, in check, creating a false sense of balance.

Despite its solitary nature, there are rumors that multiple Arachnid Overlords might exist under the influence of a higher dark power. Explorers and adventurers often posit that slaying one may attract the interest of others, destabilizing the area's ecology further and leading to increased danger for inhabitants nearby.

History

Believed to be the result of a horrific event involving forbidden magic, the Arachnid Overlord was once a human who succumbed to immense dark power. Legends speak of a pact with malevolent deities that granted unimaginable strength and the form of a monstrous arachnid. Over centuries, it has absorbed the life force of its victims, allowing it to grow in both power and ferocity. It carries with it an ancient grudge against those who would oppose it, often seeking vengeance against adventurers who dare tread on its territory. The local populace has lived in fear for generations, with tales of its horrific deeds passed down through stories and songs, ensuring that its name evokes dread in hearts of those who hear it.

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