The Vile Nightstalker can move through other creatures and objects as if they were difficult terrain. It takes 5 (1d10) force damage if it ends its turn inside an object.
Life Drain
Melee Spell Attack: +7 to hit, reach 5 ft., one creature. Hit: 30 (5d10) necrotic damage, and the target must succeed on a DC 15 Constitution saving throw or have its hit point maximum reduced by an amount equal to the necrotic damage taken.
Actions
Shadow Strike
The Vile Nightstalker blinks behind a target and attacks. One target must succeed on a DC 15 Dexterity saving throw or take 45 (10d8) necrotic damage. The target is also frightened until the end of its next turn.
Combat Behavior
Tactics
• Ambush prey from the shadows • Focus on the weakest enemy first • Retreat if injured to regain strength
Combat Style
Utilizes stealth and fear to weaken opponents before attacking directly.
Morale
The Vile Nightstalker will fight to the death, unwilling to relinquish its territory.
Monster Description
The Vile Nightstalker is an undead entity shrouded in darkness, often haunting areas where deep tragedy has occurred. Its form flickers in and out of alignment with the material plane, making it a challenging foe. It thrives in gloom, where it can drain the life from its victims with deadly stealth and speed. Designed originally to be a protector, an ancient curse twisted its purpose into a malevolent shadow. Its mere presence instills fear—those who encounter it often speak of feeling an overwhelming coldness and the sensation of being watched. It's said that the Nightstalker collects the souls of those it kills, binding them to a shadowy realm of despair.
Monster behavior
In combat, the Vile Nightstalker prefers to ambush its enemies, using its Shadow Strike ability to terrify and weaken opponents. It often targets the most vulnerable, dissipating into a shadowy form to escape or regroup when threatened. Once its prey is isolated, it strikes with lethal precision. The Nightstalker revels in fear and death, often toying with those it hunts before delivering the final blow. If overwhelmed, it will retreat and wait for dark nights to rebuild its strength, stalking the same victims until they fall.
Ecology
As an undead entity, the Vile Nightstalker plays a vital role in its ecosystem as a malevolent hunter. It helps keep the balance between life and death, albeit in a twisted manner. Feared by those living in its territory, it sends out warnings through haunting sounds and chilling winds. When it drains a soul, it adds to its own power, which it uses to haunt the future victims more efficiently. Despite its destructive nature, it is essential in the natural cycle, often feeding on those who have wronged the land or forsaken their responsibilities.
History
Once a guardian spirit, the Vile Nightstalker was sworn to protect a sacred shrine that housed ancient knowledge. When its shrine was desecrated by a group of traitors seeking power, the spirit was twisted, consumed by grief and rage, and transformed into this vengeful wraith. Now, it seeks vengeance not only against those who dared to harm the shrine but all mortals who tread upon the cursed ground. It has become a legend in local lore, a tale told to keep children from wandering into the dark woods. Tales claim it can sense any wrongdoing, deciding over time to become the arbiter of retribution, forever bound in a cycle of anger and sorrow. Adventurers often seek to put an end to the Nightstalker’s reign but most find themselves captured in its haunting dance of death.
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