Multiattack

The broodmother of Leng makes two claw attacks.

Claw

Melee Weapon Attack: +8 to hit, reach 10 ft., one target. Hit: 20 (3d10 + 4) slashing damage plus 9 (2d8) poison damage.

Spit Venom

Ranged Weapon Attack: +6 to hit, range 60 ft., one target. Hit: 20 (4d8 + 2) poison damage, and the target must succeed on a DC 15 Constitution saving throw or be poisoned and blinded until the end of its next turn.

Call Brood (1/Day)

The broodmother spawns 2d4 swarms of spiderlings (treat as spiders of Leng (treat as giant wolf spider) instead. The creatures arrive in 1d4 rounds, acting as allies of the broodmother and obeying her spoken commands. The creatures remain for 1 hour, until the broodmother dies, or until the broodmother dismisses them as a bonus action.