Statistics
| Creature type | Medium undead, neutral |
|---|---|
| Armor Class | 13 |
| Hit Points | 50 (9d8 + 9) |
| Speed | 0 ft., fly 60 ft. (hover) |
| Ability Scores | STR 6 (-2), DEX 16 (+3), CON 12 (+1), INT 10 (+0), WIS 14 (+2), CHA 15 (+2) |
| Saves and Skills | Dexterity +6, Wisdom +5; resistant to acid, cold, lightning, thunder, and nonmagical weapons; immune to fire, necrotic, and poison |
| Senses | darkvision 60 ft., passive Perception 12 |
| Languages | understands Common and Ignan but cannot speak |
| Challenge | 4 (1,100 XP) |
Traits
Incorporeal Movement. Moves through creatures and objects as difficult terrain. Sluice Bound. It vanishes when a magma sluice in its chamber activates. Immune to charmed, exhaustion, grappled, paralyzed, petrified, poisoned, prone, and restrained.
Actions
Ashen Drain. Melee Spell Attack: +6 to hit; 21 (4d8 + 3) fire damage, and the target makes a DC 14 Constitution save or cannot regain hit points until the start of the wraith’s next turn.
Tactics and Roleplaying
It herds intruders away from controls and focuses on anyone operating a sluice. It does not pursue beyond its terrace, ensuring the environmental solution stays discoverable and meaningful.