Colossal Weaver

huge beast (spider), neutral

Challenge 7.0 (2,900 XP)

STR
22 (+6)
DEX
16 (+3)
CON
17 (+3)
INT
1 (-5)
WIS
3 (-4)
CHA
1 (-5)

Defense

Armor Class 15 (natural)
Hit Points 105 (10d12 + 30 +3)
Speed 40 ft., fly 30 ft., swim 20 ft., climb 30 ft., burrow 10 ft.

Proficiencies & Senses

Saving Throws strength, constitution
Skills
Senses
darkvision 60 ft.
tremorsense 30 ft.
passive Perception 13

Characteristics

Damage Vulnerabilities fire
Damage Resistances bludgeoning, piercing, slashing
Damage Immunities
Condition Immunities charmed, frightened
Languages

Traits

Spider Climb

The Colossal Weaver can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.

Web Sense

While in contact with a web, the Colossal Weaver knows the exact location of any other creature in contact with the same web.

Web Walker

The Colossal Weaver ignores movement restrictions caused by webbing.

Actions

Multiattack

The Colossal Weaver makes two bite attacks and one web attack.

Bite

Melee Weapon Attack: +10 to hit, reach 5 ft., one target. Hit: 26 (3d10 + 6) piercing damage plus 12 (3d8) poison damage. The target must succeed on a DC 16 Constitution saving throw or be poisoned until the end of its next turn.

Web

Ranged Weapon Attack: +8 to hit, range 30 ft., one Large or smaller creature. Hit: The target is restrained by webbing (escape DC 16). As an action, the restrained target can make a Strength check against the DC to free itself.

Combat Behavior

Tactics


• Ambush from above using webbing.
• Use terrain to hide and surprise prey.

Combat Style

Stealthy ambush with poisonous attacks.

Monster Description

The Colossal Weaver is an immense spider that is feared by all who wander into its domain. Towering over most humanoids, it possesses a massive, sleek black exoskeleton with purple highlights that shimmer in the dark. Its eight eyes, glistening like wet stones, are capable of seeing into the ultraviolet spectrum, allowing it to hunt even under the cover of night. This creature crafts extensive webs superior to those of ordinary spiders, capable of ensnaring large prey. The webs are not just traps; they are almost architectural feats, silken mazes that can confuse and disorient any who encounter them. The Colossal Weaver’s venomous bite delivers a potent mixture of paralysis and pain, immobilizing its victims long enough for the spider to feast. Additionally, it has remarkable climbing abilities, allowing it to traverse any surface with ease, making it a master ambusher.

Monster behavior

In the wild, the Colossal Weaver is a solitary hunter, preferring to stalk its territory in search of food. When prey is detected, it uses its stealth and speed to move silently along the ground or ceiling, often hanging from its strands to surprise its target. Upon attacking, it often employs its venomous bite to incapacitate larger foes and quickly surrounds them with webbing to ensure they cannot escape. The spider's tactics can change depending on the size and threat level of its prey; against smaller opponents, it may initiate contact directly, while against larger threats, it relies on ambush tactics to avoid confrontation until the moment is best. When threatened, the Colossal Weaver can scuttle away or use its webbing to create quick barriers, ensuring a strategic retreat if necessary.

Ecology

In its ecosystem, the Colossal Weaver plays a vital role as both predator and prey. The creatures it consumes help control the populations of various forest and cave-dwelling animals, maintaining a balance in its environment. However, the Colossal Weaver itself is not invulnerable and serves as a food source for larger predators such as owlbears, giant eagles, and even adventurers drawn by the allure of its valuable silk. The silk produced is exceptionally durable and sought after, meaning that some humanoids will attempt to hunt the Colossal Weaver for its resources, albeit at great risk to themselves.

History

Historically, the Colossal Weaver has been the focus of local legends and myths, often depicted as guardians of ancient secrets hidden within the woods or caves. Many tales suggest that entering a Colossal Weaver's territory can lead to disastrous consequences for uninvited guests, as they are said to be fierce and vengeful protectors of their domain. Their silk is often mentioned in ancient texts describing magical properties, leading to numerous attempts to domesticate or cultivate these creatures, all of which have ended poorly. The Colossal Weaver's place in the folklore ensures that it is both respected and feared, aiding its survival alongside the other creatures of the forest.

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