Troll Plague-Host

Large undead, neutral evil

Armor Class 16 (natural armor)
Hit Points 250 (20d10 + 140)
Speed 30 ft.

STR	DEX	CON	INT	WIS	CHA
22 (+6)	6 (-2)	25 (+7)	2 (-4)	9 (-1)	1 (-5)

Saving Throws Con +12, Wis +4
Damage Immunities poison
Condition Immunities poisoned
Senses darkvision 60 ft., passive Perception 8
Languages understands the languages it knew in life, but can’t speak
Challenge 14 (11,500 XP)

Special Traits

• Cadaverous Appearance. While the plague-host is lying still, it is indistinguishable from a mundane decomposing corpse. It can still be detected by a detect evil and good spell, or similar magic.
• Foul Recovery (1/Turn. Whenever the plague-host would take poison or necrotic damage, it instead takes no damage and regains a number of hit points equal to the total damage, up to 20 hit points.
• Undead Fortitude. If damage reduces the plague-host 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 plague-host drops to 1 hit point instead.

Actions

• Multiattack. The plague-host makes one attack with its bite, and two attacks with any combination of claw and foul limb attacks. It cannot make more than one attack with each severed limb.
• Claws. Melee Weapon Attack: +11 to hit, reach 5 ft., one target. Hit: 20 (4d6 + 6) slashing damage.
• Bite. Melee Weapon Attack: +11 to hit, reach 5 ft., one target. Hit: 19 (3d8 + 6) piercing damage. Additionally, living creatures must succeed on a DC 20 Constitution saving throw, or take 18 (4d8) necrotic damage and contract the zombie necrosis disease (p.192).
• Foul Limb. Melee or Ranged Weapon Attack: +11 to hit, reach 10 ft. or range 30/90 ft., one target. Hit: 24 (4d8 + 6) bludgeoning damage. Additionally, living creatures must succeed on a DC 20 Constitution saving throw, or take 4 (1d8) necrotic damage and contract the zombie necrosis disease (p.192). Creatures immune to the poisoned condition are immune to this disease. If the plague-host is not holding one of its own severed limbs when making this attack, it rips off one of its limbs first, dealing 13 (2d6 + 6) slashing damage to itself.

Legendary Actions

The plague-host can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time, and only at the end of another creature’s turn. The plaguehost regains spent legendary actions at the start of its turn.

• Lurch. The plague-host moves up to 5 feet, without provoking opportunity attacks.
• Claws (Costs 2 Actions). The plague-host makes one claws attack.

Trolls’ immune systems, boosted by their extraordinary regeneration, react aggressively to the zombie contagion, often causing dramatic mutations in a vain attempt to fight off the disease.