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Silith-Gai, the Ethereal Matriarch - AI-generated fantasy Monster

Silith-Gai, the Ethereal Matriarch

Local legends speak of a 'Flickering Death' that haunts the Shrouded Woods. Scholars believe Silith-Gai was once a normal phase spider that feasted upon a dying archmage, absorbing his intellect and his connection to the weave, causing her to swell in both size and mental capacity.

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HugeMonstrosity(Shapechanger)CR LegendaryNeutral Evil

Silith-Gai, the Ethereal Matriarch

SpiderPlanarPredator
HP161AC17SPD30 ft., Climb 30 ft.CR10StealthPerceptionInsight
STR
20
DEX
16
CON
20
save
INT
16
save
WIS
14
save
CHA
14
Ethereal Jaunt. As a bonus action, Silith-Gai can magically shift from the Material Plane to the Ethereal Plane, or vice versa.
Spider Climb. Silith-Gai can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.
Web Walker. Silith-Gai ignores movement restrictions caused by webbing.
Matriarch's Command. Allied spiders within 60 feet of Silith-Gai have advantage on saving throws against being charmed or frightened and add +2 to their attack rolls.
Multiattack. Silith-Gai makes two attacks: one with her bite and one with her slam or web strand.
Bite. Melee Weapon Attack: to hit, reach 10 ft., one creature. Hit: 18 () piercing damage plus 18 () poison damage. The target must make a Constitution saving throw, taking the poison damage on a failed save, or half as much on a success. 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.
Phase Web (Recharge 5-6). Silith-Gai launches a strand of ethereal silk at a creature within 60 feet. The target must succeed on a Dexterity saving throw or be restrained. While restrained, the target is pulled into the Border Ethereal with Silith-Gai. The target can repeat the saving throw at the end of each of its turns, ending the effect on a success.
Ethereal Pulse. Silith-Gai releases a wave of violet energy. Each creature within 20 feet of her must make a Intelligence saving throw or take 21 () force damage and be pushed 10 feet back as the spatial rift jars their mind.
Planar Fade. When Silith-Gai is hit by an attack, she can use her reaction to shift into the Border Ethereal, taking half damage from that attack and becoming invisible until the start of her next turn.
Skitter. Silith-Gai moves up to half her speed without provoking opportunity attacks.
Bite (Costs 2 Actions) (Costs 2 Actions). Silith-Gai makes one bite attack.
Command Brood. One allied spider within 60 feet that can hear Silith-Gai can use its reaction to make one melee attack.
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