Spider Climb. The broodmother can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.
Chitinous Armor. The broodmothers front half is heavily armored however her rear is unarmored only having an armor class of 13.
Multiattack. The broodmother can make either one bite attack and two stab attacks or three acid glob attacks.
Bite. Melee Weapon Attack: +9 to hit, reach 10 ft., one target. Hit: 24 (3d8 + 9) piercing damage plus 16 (4d8) poison damage.
Stab. Melee Weapon Attack: +9 to hit, reach 15 ft., one target. Hit: 17 (2d8) piercing damage.
Web Shot. Ranged Weapon Attack: +9 to hit, range 40/70 ft., up to five targets. Hit: 4 (1d10) acid damage. The target is restrained by webbing. As an action, the restrained target can make a DC 17 Strength check, bursting the webbing on a success. At the end of each turn ended while restrained by the webbing a target takes (1d10) acid damage. The webbing has an AC of 10, 10 hp, and is immune to bludgeoning, psychic, poison, and acid damage.
Acid Glob. Ranged Weapon Attack: +9 to hit, range 40/70 ft., one target. Hit: 25 (4d10) acid damage.
Broodmother Lysrix can take three legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creatures turn. Broodmother Lysrix regains spent legendary actions at the start of her turn.
Stab. The broodmother makes a stab attack.
Summon Spiders (Costs 3 Actions). The broodmother summons 2d8 giant spiders at a point she can see. The spiders are allies of the broodmother and defend her as best they can.
Description
The broodmother is a massive spider that lurks within dark swamps, caves, and fissures. Broodmothers have incredibly durable chitin armor on their back, shoulders, and head which makes facing one directly difficult and gives them an almost regal appearance befitting the queen of the Arks spiders. Broodmothers are often used by overseers as guardians of their lands such as Broodmother Lysrix who is a guardian of the Island. Broodmothers are powerful but reclusive apex predators which depopulate regions near them with not just their own hunting but that of their countless giant spider children. The top of a broodmothers list of potential prey is large creatures like tyrannosaurus and brontosaurus while their underlings content themselves with small game and humanoids. When confronted a broodmother is a terrifying foe slinging webbing and acid to immobilize and digest her enemies alive before closing in for the kill with her venomous bite and pointed forelegs.
Lair and Lair Actions
The broodmothers lair is a sticky, toxic hellhole few creatures can tolerate and none bar spiders enjoy. Webs cover most surfaces in the lair making merely moving difficult and pools of acid make the few unwebbed regions highly dangerous. Not to mention the swarms of giant spiders.
Lair Actions
On initiative count 20 (losing initiative ties), the broodmother takes a lair action to cause one of the following effects; the broodmother can’t use the same effect two rounds in a row:
- The broodmother punctures an egg sack unleashing an allied swarm of spiders (baby giant spiders).
- The broodmother splashes acid at a target which makes a DC 13 Dexterity saving throw, taking 8 (2d6) acid damage on a failed save, and half as much on a successful one.
Regional Effects
The region containing a broodmother’s lair is eerily silent and stalked by arachnids, which creates one or more of the following effects:
- Beasts are noticeably uncomfortable within 1 mile of the lair.
- Whenever someone walks beneath a branch, cliff, or other such object roll a d20. If the roll was below a 10 the creature is assaulted by a giant spider.
If the broodmother dies, these effects fade over the course of 2d10 days.
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