Intelligent Sentinel

The Intelligent Sentinel is a unique type of Undead guarding the secret shrine to Shar underneath statue of Ketheric Thorm in Reithwin Town's square. Its abilities mirror that of a Wizard, and fitting of its role it has very high Intelligence.

Involvement

If the party members fail to pass any of the three Saving Throw tests for Wisdom, Intelligence and Charisma, damage the statues, or take the Ritual Dagger of Shar it summons the undead Dark Justiciar. It along with the Wise Sentinel and Charismatic Sentinel puts up a difficult fight considering their large amount of Hit Points and special abilities.

Combat

Attacks and actions

 Main Hand Attack ()   –  Quarterstaff

Damage: 2~7

1d6 + 1⁠Bludgeoning

Make a melee attack with your equipped weapon.

 Melee: 1.5 m (5 ft)

 Bone Chill ()

Damage: 1~8

1d8⁠Necrotic

Prevent the target from healing until your next turn. The target cannot help  Downed characters. An undead target receives  Disadvantage on  Attack Rolls.

 Range: 18 m (60 ft)

 Melf's Acid Arrow ( + )

Damage: 6~24

4d4⁠Acid

+ 2d4⁠Acid

Shoot a green arrow that bursts in a spray of acid. Deals ⁠4d4 Acid damage immediately and ⁠2d4 Acid damage at the end of the target's next turn.

If the spell misses, the target still takes half the initial damage, but no damage at the end of its next turn.

 Range: 18 m (60 ft)

 Phantasmal Force ( + )

Deal damage to a creature each turn. At the start of its turn, it takes ⁠Psychic damage. Each subsequent time it takes damage, the damage type of Phantasmal Force changes to match that damage type.

 INT Save

 Range: 18 m (60 ft)

 Shadow Step ()

Teleport from shadow to shadow.

Afterwards, you have  Advantage on your next melee  Attack Roll.

 Range: 18 m (60 ft)