BroodMother

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.

Bite. Melee Weapon Attack: +10 to hit, reach 5 ft., one creature. Hit: 7 (3d8 + 9) piercing damage, and the target must make a DC 18 Constitution saving throw, taking 9 (5d8) 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: +10 to hit, range 60/160 ft., one creature. Hit: The target is restrained by webbing. As an action, the restrained target can make a DC 16 Strength check, bursting the webbing on a success. The webbing can also be attacked and destroyed (AC 10; hp 10; vulnerability to fire damage; immunity to bludgeoning, poison, and psychic damage).

Acid Breath (Recharge 5–6). The broodmother exhales acid in a 90-foot line that is 10 feet wide. Each creature in that line must make a DC 22 Dexterity saving throw, taking 67 (15d8) acid damage on a failed save, or half as much damage on a successful one.

egg throw (Recharge 5–6). Ranged Weapon Attack: +10 to hit, range 60/160 ft., one creature. Hit: (2d8) bludgeoning. if eggs is not destroyed Ac:10 Hp:5 giant spiders will hatch at the start of next round(spawns 1d8 eggs)