Huge Monstrosity, Unaligned
Armor Class 18 (natural armor)
Hit Points 187 (15d12 + 90)
Speed 20 ft., Fly 80 ft.
STR
23 (+6)
DEX
16 (+3)
CON
23 (+6)
INT
10 (+0)
WIS
19 (+4)
CHA
19 (+4)
Saving Throws CON +11, WIS +9
Skills Perception +7, Stealth +13
Damage Resistances Bludgeoning, Piercing, and Slashing from Nonmagical Attacks
Senses Blindsight 60 ft., Darkvision 120 ft., Passive Perception 17
Languages Deep Crow
Challenge 15 (13,000 XP)
Proficiency Bonus +5
Traits

Magic Resistance. The ancient deep crow has advantage on saving throws against spells and other magical effects.

Shadow Stealth. While in dim light or darkness, the ancient deep crow can take the Hide action as a bonus action.

Spellcasting. Ursula casts one of the following spells, using Wisdom as the spellcasting ability (spell save DC 17, spell attack +9):

1/day each: charm monster (one monster, Wis save, adv if fighting, 1 hour <C>, faerie firegiant insect (one giant scorpion)

Actions

Multiattack. Ursula makes three attacks: one with her mandibles and two with her claws.

Mandibles. Melee Weapon Attack: +11 to hit, reach 10 ft., one target. Hit: 17 (2d10 + 6) piercing damage, and the target is grappled (escape DC 19). Until this grapple ends, the target is restrained, and the ancient deep crow can’t use its mandibles on another target.

Claw. Melee Weapon Attack: +11 to hit, reach 5 ft., one target. Hit: 13 (2d6 + 6) slashing damage.

Shadow Caw. Ursula releases an ear-splitting caw. Each creature within 60 feet of the crow and able to hear it must make a DC 17 Constitution saving throw. On a failure, a creature takes 10 (3d6) psychic damage.

Legendary Actions

Ursula can take 3 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 creature’s turn. Ursula regains spent legendary actions at the start of its turn.

Detect. The deep crow makes a Wisdom (Perception) check.

Shadow Caw (Costs 2 Actions). Ursula uses Shadow Caw.

Spell casting (Costs 2 Actions). Ursula casts a spell.

Wing Attack (Costs 2 Actions). Ursula beats her wings. Each creature within 10 feet of the deep crow must succeed on a DC 19 Dexterity saving throw or take 13 (2d6 + 6) bludgeoning damage and be knocked prone. The ancient deep crow can then fly up to half its flying speed.

Lair and Lair Actions

A Deep Crow’s Lair

Deep crows and ancient deep crows roost in places both deep and warm, favoring sites with access to exposed lava. The spires of volcanic rock the creatures prize as roosts are common in such places, whose ambient warmth provides constant temperature regulation for the creature’s eggs.

Regional Effects

The region containing an ancient deep crow’s lair is transformed by the creature’s presence, which creates one or more of the following effects:

  • Supernatural shadow turns all bright light to dim light in underground regions within 6 miles of the lair.
  • Intermittent, echoing caws can be heard coming from all directions within 6 miles of the lair.
  • Subterranean beasts within 1 mile of the ancient deep crow’s lair serve as the creature’s eyes and ears, alerting it to the presence of intruders and making it all but impossible to surprise the ancient deep crow.

If the ancient deep crow dies, these effects fade immediately.

Katya_Kalb

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