Natharian crystal
Cursed
When in contact with the skin of a creature the crystal starts to adhere to it, you need to use an action do a Strength check (DC 12) for detaching the crystal. When the crystal is detached from somebody, the crystal produces a burst of necrotic energy: both creatures need to do a constitution saving throw (DC12) or take 1d12 necrotic damage (if the same creature is stick and detach the crystal, he does his roll with disadvantage)
The crystal stick in the same way when in a stomach.
If the crystal stays stick for more than 5 minutes he corrupts his host which became corrupted.
Corrupted
A creature corrupted gain the following benefices :
- Immunity to necrotic damages
- Don't need to eat, drink, sleep or breath
- The constitution score became 16 if it was lower.
- Gain the undead type besides of other types.
- Vulnerability to radiant damages
- Resistance to non-magical attack
- Stop aging
- The skin became dark as ash and cover in cracks
- The alignment became chaotic evil, its goal became to propagate the Natharian corruption.
- Get the action "life drain", the spell bonus and DC is 8 + prof + Cons
- When killing a creature with necrotic damage turn the body into a Natharian zombie.
- Gain use an action on a dead body to turn it into a Natharian zombie.
- +1 to Dex, Cons and Str. to a maximum of 21 (cumulate when the corrupted get multiple crystals)
Life Drain. , reach 5 ft., one creature. 1d12+Cons necrotic damage. The target must succeed on a Constitution saving throw or its hit point maximum is reduced by an amount equal to the damage taken. This reduction lasts until the creature finishes a long rest. The target dies if this effect reduces its hit point maximum to 0.
The corrupted can remove the crystal without a check but will do so only to corrupt a stronger creature. Trying to detach the crystal from a corrupted require a DC 18 Strenght check, and inflict 1d12 necrotic damage (half with a DC18 Constitution)
When the crystal is detached from a corrupted, the creature falls unconscious and loses all the effect of being corrupted after an hour. He regains consciousness after that with 1hp and a -2 to all check. (this effect decrease by one every long rest)
When a corrupted fall to 0hp, he stay conscious while doing his saving throw as normal. When he should die his body is instant raise as a Natharian zombie wich get all the benefice of a corrupted. The crystal raises the intellect of the zombie to 11.
Natharian zombie
Medium undead, Chaotic evil
- Armor Class 10
- Hit Points 30 (4d8+12)
- Speed 25ft
15 8 16 5 8 6 Str (+2) Dex (-1) Con (+3) Int (-3) Wis (-1) Cha (-3)
- Saving Throws WIS +0 , CHAR -1
- Skills skills
- Damage Vulnerabilities Radiant
- Damage Resistances Resistances
- Damage Immunities Poison, necrotic
- Condition Immunities Poisoned, Charmed, Exhaustion, Unconscious
- Senses Darkvision 60ft, passive perception 9
- Languages Understands all languages it knew in life but can't speak
- Challenge 1/2
Undead Fortitude. If damage reduces the zombie to 0 hit points, it must make a Constitution saving throw with a DC of 5 + the damage taken, unless the damage is radiant or from a critical hit. On a success, the zombie drops to 1 hit point instead.
Actions
Life Drain. Melee Spell Attack: +4 to hit, reach 5 ft., one creature. Hit: 10 (2d6) necrotic damage. The target must succeed on a DC 10 Constitution saving throw or its hit point maximum is reduced by an amount equal to the damage taken. This reduction lasts until the creature finishes a long rest. The target dies if this effect reduces its hit point maximum to 0.
Creation of a natharian crystal
A natharian crystal can be made by infusing a precious stone of value superior to 100gp with the necrotic energy produced by one of the effects of a Natharian crystal. The infused stone must be put inside a fresh non-evil humanoid body that will be consumed with a burst of necrotic energy by the forming crystal. If the body wasn't evil, the new form Natharian crystal can be found in the pile of ash.