Medium Construct, Unaligned
Armor Class 14
Hit Points 91 (14d8 + 28)
Speed 10 ft., fly 30 ft. (hover)
Initiative +2 (12)
| STR | DEX | CON | INT | WIS | CHA |
|---|---|---|---|---|---|
|
17 (+3) |
15 (+2) |
14 (+2) |
8 (-1) |
14 (+2) |
5 (-3) |
Skills Perception +5
Damage Immunities poison, psychic
Condition Immunity charmed, exhaustion, frightened, paralyzed, petrified, poisoned
Senses darkvision 120 ft., passive Perception 15
Languages understands the languages of its creator but can’t speak
Challenge 8 (XP 3,900; PB +4)
Adaptation. When the sentinel is hit by an attack roll, the next attack roll against the sentinel before the start of its next turn has disadvantage.
Magic Resistance. The sentinel has advantage on saving throws against spells and other magical effects.
Malleable Form. The sentinel can move through a space fit for a Small creature without squeezing.
Petrifying End. The sentinel grapples and solidifies when it dies. Strength Saving Throw: DC 14, one creature within 5 feet that the sentinel can see. Failure: The target is restrained until the stone is destroyed (AC 15; HP 20; vulnerability to bludgeoning damage; immunity to poison and psychic damage).
Unusual Nature. The sentinel doesn’t require air, food, drink, or sleep.
ACTIONS
Multiattack. The sentinel makes two Slam or Gravitational Bolt attacks. It can replace one attack with one use of Whirl.
Slam. Melee Weapon Attack: +6, reach 5 ft. Hit: 12 (2d8 + 3) bludgeoning damage plus 10 (3d6) force damage.
Gravitation Bolt. Ranged Spell Attack: +5, range 60 ft. Hit: 22 (4d10) force damage and the target is moved 5 feet in one direction of the sentinel’s choice.
Whirl. Dexterity Saving Throw: DC 14, each creature in a 5-foot emanation originating from the sentinel. Failure: 14 (4d6) bludgeoning damage and the target’s speed is halved until the end of its next turn. Success: Half damage.
REACTIONS
Sentinel Attack. Trigger: A hostile creature enters its reach. Response: The sentinel makes one Slam attack against it.
Huge Dragon, Neutral
Initiative +7 (17)
Armor Class 18
Hit Points 200 (16d12 + 96)
Speed 30 ft., burrow 30 ft., climb 30 ft.
| STR | DEX | CON | INT | WIS | CHA |
|---|---|---|---|---|---|
|
23 (+6) |
14 (+2) |
19 (+4) |
13 (+1) |
20 (+5) |
16 (+3) |
Saving Throws Con +9, Int +6, Wis +10, Cha +8
Skills Arcana +6, Investigation +6, Perception +10
Condition Immunity charmed, deafened, frightened
Senses blindsight 60 ft., darkvision 120 ft., tremorsense 300 ft., passive Perception 20
Languages Deep Speech, Draconic
Challenge 15 (13,000 XP; PB +5)
Huge Dragon, Neutral
Initiative +7 (17)
Armor Class 18
Hit Points 200 (16d12 + 96)
Speed 30 ft., burrow 30 ft., climb 30 ft.
| STR | DEX | CON | INT | WIS | CHA |
|---|---|---|---|---|---|
|
23 (+6) |
14 (+2) |
19 (+4) |
13 (+1) |
20 (+5) |
16 (+3) |
Saving Throws Con +9, Int +6, Wis +10, Cha +8
Skills Arcana +6, Investigation +6, Perception +10
Condition Immunity charmed, deafened, frightened
Senses blindsight 60 ft., darkvision 120 ft., tremorsense 300 ft., passive Perception 20
Languages Deep Speech, Draconic
Challenge 15 (13,000 XP; PB +5)
