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Creatures

Obsidian Sentinel

A complete, table-ready profile for Obsidian Sentinel, including defenses, abilities, actions, tactics, and roleplaying guidance.

Statistics

Creature type Medium construct, unaligned
Armor Class 17 (faceted plates)
Hit Points 52 (7d8 + 21)
Speed 30 ft., fly 60 ft.
Ability Scores STR 15 (+2), DEX 11 (+0), CON 16 (+3), INT 6 (-2), WIS 11 (+0), CHA 7 (-2)
Saves and Skills Perception +4, Stealth +4; resistant to nonmagical weapons; vulnerable to thunder
Senses darkvision 60 ft., passive Perception 14
Languages understands Common but cannot speak
Challenge 3 (700 XP)

Traits

False Appearance. Motionless, it resembles an obsidian statue. Resonant Fracture. Thunder effects deal maximum damage to it. Immune to poison and exhaustion.

Actions

Multiattack. One bite and one claw. Bite: +5 to hit, 7 (1d8 + 3) piercing. Claw: +5 to hit, 6 (1d6 + 3) slashing. A creature hit by both cannot take reactions until its next turn.

Tactics and Roleplaying

It activates at Alarm 3 and targets creatures carrying exhibits or copied credentials. It blocks escape routes from the air and returns to its alcove if the object is set down and the alarm is cleared.

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