Hive Mind. The Queen can telepathically communicate with all Xenomorphs within 1 mile.

Acidic Blood. When the Xenomorph Queen takes damage from a melee weapon attack, the attacker must succeed on a DC 15 Dexterity saving throw or take 14 (4d6) acid damage.

Lair Actions. On initiative count 20 (losing ties), the Queen takes one lair action to summon 1d4 Xenomorph Drones, activate acid pits, or cause unstable terrain.

Multiattack. The Queen makes three melee attacks: one with its claws, one with its tail, and one with its bite.

Claw. Melee Weapon Attack: +10 to hit, reach 10 ft., one target.
Hit: 22 (4d6 + 6) slashing damage.

Tail. Melee Weapon Attack: +10 to hit, reach 15 ft., one target.
Hit: 18 (3d8 + 6) piercing damage, and the target must succeed on a DC 18 Strength saving throw or be grappled.

Bite. Melee Weapon Attack: +10 to hit, reach 5 ft., one target.
Hit: 25 (4d10 + 6) piercing damage.

Egg Sac (Recharge 5–6). The Queen lays 1d4 eggs, which hatch into Facehuggers in 1d6 rounds.

Acid Spray. When reduced to 0 hit points, the Xenomorph sprays acid in a 20-foot radius. Each creature in that area must make a DC 17 Dexterity saving throw, taking 20 (6d6) acid damage on a failed save, or half as much on a success.

The Queen can take 3 legendary actions, choosing from the options below:

• Tail Swipe. The Queen makes a tail attack.
• Command. One Xenomorph within 60 feet can use its reaction to move up to its speed and make a melee attack.
• Acid Surge (Costs 2 Actions). The Queen sprays acid in a 30-foot cone. Each creature in the area must make a DC 18 Dexterity saving throw, taking 28 (8d6) acid damage on a failed save, or half as much on a success.