Gargantuan Swarm of Tiny beasts, Chaotic Evil
AC 17 (Sculk armor)    Initiative +5 (15)
HP 36 (4d10 + 4)
Speed 30 ft., Climb 30 ft., Fly 20 ft.
Mod Save
STR 19 +4 +4
DEX 20 +5 +5
CON 25 +7 +10
Mod Save
INT 2 −4 −4
WIS 17 +3 +3
CHA 4 −3 −3
Skills Stealth +7
Immunities Charmed, Paralyzed
Senses Blindsight 10 ft., Darkvision 60 ft., Unknown It can detect any undead creature; Passive Perception 10
Languages --
CR 8 (XP 3,900, or 11,500 in lair; PB +3)
Traits

Spider Climb. The spider 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 spider knows the exact location of any other creature in contact with the same web.

Web Walker. The spider ignores movement restrictions caused by webbing.

Elders Call. The spider summons 1 Corpse Spider hatchling for each of its targets hit points.

Actions

Bite. Melee Weapon Attack: +5 to hit, reach 5 ft., one creature. Hit: 7 (1d8 + 3) piercing damage, and the target must make a DC 11 Constitution saving throw, taking 9 (2d8) poison damage on a failed save, or half as much damage on a successful one. If the poison damage reduces the target to 0 hit points, the target is stable but poisoned for 1 hour, even after regaining hit points, and is paralyzed while poisoned in this way.

Web (Recharge 5–6). Ranged Weapon Attack: +5 to hit, range 30/60 ft., one creature. Hit: The target is restrained by webbing. As an action, the restrained target can make a DC 12 Strength check, bursting the webbing on a success. The webbing can also be attacked and destroyed (AC 10; hp 5; vulnerability to fire damage; immunity to bludgeoning, poison, and psychic damage). This web attack places an infected spore inside the hit target, dealing a 1d4 after each turn. When the hit target is dead it will immediately become a corruption.

Bonus Actions

Blast Burrow. The spider rolls 1d20 for dexterity if it succeeds the spider will burrow into the ground. After it will roll 2d20 for each counter the spider is permitted to move an extra foot. Roll 1d20 for strength and damage.

Reactions

This might give an hint on how to defeat it.

 The spider is reactive to fire. When it’s hit with fire it will gain 2X damage until long rest. 

Mythic Actions

Spread. The spider rolls 2d20, for each counter the spider lays an egg. The eggs can’t be detected unless the players have detection. When a victim is close to the egg it will hatch spawning a hatchling.

Corruption. The spider rolls 1d20 for each counter a corruption will be spawned. The spider can only use this again after a long rest.

Description

To capture its prey, a giant spider spins black and sticky webs or shoots sticky strands of webbing from its mouth. Giant spiders are most commonly found underground, making their lairs on ceilings or in dark, web-filled crevices. Such lairs are often festooned with web cocoons holding past corrupted victims. The spider lays eggs in its victims brain were slowly the hatchlings will hatch. The Elder has 4 long legs on both sides and big jaws. Inside it’s mouth are a bunch of spikes that have a deadly venom. On its back is a big opening filled with corrupted eggs and spores. It creates a smoke that contains spores. 

 

Lair and Lair Actions

Its layer is usually somewhere dark or hidden, there it creates eggs and feeds it’s hatchlings. The lairs are filled with corpse spider eggs and big sticky webs. Here it’s prey or minions hang in webs for its hatchlings.

Previous Versions

Name Date Modified Views Adds Version Actions
2/11/2025 9:25:11 PM
11
1
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Coming Soon

Monster Tags: abberationAbominations

Habitat: ForestSwampUnderdarkUrban

5AtViv

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