Legendary Resistance (6/Day). If the vampire tarrasque lich fails a saving throw, it can choose to succeed instead.
Magic Resistance. The vampire tarrasque lich has advantage on saving throws against spells and other magical effects.
Reflective Bones. Any time the vampire tarrasque lich is targeted by a magic missile spell, a line spell, or a spell that requires a ranged attack roll, roll a d6. On a 1 to 5, the vampire tarrasque lich is unaffected. On a 6, the vampire tarrasque lich is unaffected, and the effect is reflected back at the caster as though it originated from the vampire tarrasque lich, turning the caster into the target.
Siege Monster. The vampire tarrasque lich deals double damage to objects and structures.
Turn Immunity. The vampire tarrasque lich is immune to any effect that turns undead.
Vampiric. Whenever the vampire tarrasque lich deals necrotic damage it heals for the amount of damage it dealt.
Regeneration. The vampire tarrasque lich regains 40 hit points at the start of its turn if it has at least 1 hit point and isn't in sunlight or running water. If the vampire tarrasque lich takes radiant damage or damage from holy water, this trait doesn't function at the start of the vampire tarrasque lich's next turn.
Phylactery. If it has a phylactery, a destroyed vampire tarrasque lich gains a new body in 1d10 days, regaining all its hit points and becoming active again. The new body appears within 5 feet of the phylactery.. If the phylactery is destroyed it regrows from the biggest piece unless a wish spell is used to counteract this.
Essence of The Evil God. The vampire tarrasque lich deals double damage to gods and celestials, bypassing their resistances and immunities. If the vampire tarrasque lich reduces a god or celestial to 0 hit points, it kills them instantly. The vampire tarrasque lich can't be targeted by any divine magic or perceived through magical scrying sensors.
Unyielding Essence. The vampire tarrasque lich is immune to any spell or effect that would alter its form, as well as those that would read its thoughts, determine if it is lying, or magically influence its thoughts or behavior.
Spellcasting. The vampire tarrasque lich is an 18th-level spellcaster. Its spellcasting ability is Intelligence (spell save DC 20, +12 to hit with spell attacks). The lich has the following wizard spells prepared:
Cantrips (at will): mage hand, prestidigitation, ray of frost
1st level (4 slots): detect magic, magic missile, shield, thunderwave
2nd level (3 slots): acid arrow, detect thoughts, invisibility, mirror image
3rd level (3 slots): animate dead, counterspell, dispel magic, fireball
4th level (3 slots): blight, dimension door
5th level (3 slots): cloudkill, scrying
6th level (1 slot): disintegrate, globe of invulnerability
7th level (1 slot): finger of death, plane shift
8th level (1 slot): dominate monster, power word stun
9th level (1 slot): power word kill
Multiattack. The tarrasque can use its Frightful Presence. It then makes seven attacks: two with its bite, three with its claws, one with its horns, and one with its tail. It can use its Swallow instead of its bite.
Bite. Melee Weapon Attack: +19 to hit, reach 10 ft., one target. Hit: 36 (4d12 + 10) piercing damage plus 31 (3d20) necrotic damage. If the target is a creature, it is grappled (escape DC 20). Until this grapple ends, the target is restrained, and the tarrasque can't bite another target.
Claw. Melee Weapon Attack: +19 to hit, reach 15ft., one target. Hit: 28 (4d8 + 10) slashing damage plus 16 (3d10) cold damage. The target must succeed on a DC 22 Constitution saving throw or be paralyzed for 1 minute. The target can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.
Horns. Melee Weapon Attack: +19 to hit, reach 10ft., one target. Hit: 82 (4d20 + 40) piercing damage.
Tail. Melee Weapon Attack: +19 to hit, reach 20ft., one target. Hit: 52 (4d20 + 10) bludgeoning damage. If the target is a creature, it must succeed on a DC 20 Strength saving throw or be knocked prone.
Frightful Presence. Each creature of the vampire tarrasque lich's choice within 120 feet of it and aware of it must succeed on a DC 19 Wisdom saving throw or become frightened for 1 minute. A creature can repeat the saving throw at the end of each of its turns, with disadvantage if the vampire tarrasque lich is within line of sight, ending the effect on itself on a success. If a creature's saving throw is successful or the effect ends for it, the creature is immune to the vampire tarrasque lich's Frightful Presence for the next 24 hours.
Swallow. The vampire tarrasque lich makes one bite attack against a Large or smaller creature it is grappling. If the attack hits, the target takes the bite's damage, the target is swallowed, and the grapple ends. While swallowed, the creature is blinded and restrained, it has total cover against attacks and other effects outside the tarrasque, and it takes 56 (16d6) acid damage plus 21 (2d20) necrotic damage at the start of each of the tarrasque's turns.
If the vampire tarrasque lich takes 60 damage or more on a single turn from a creature inside it, the vampire tarrasque lich must succeed on a DC 20 Constitution saving throw at the end of that turn or regurgitate all swallowed creatures, which fall prone in a space within 10 feet of the vampire tarrasque lich. If the vampire tarrasque lich dies, a swallowed creature is no longer restrained by it and can escape from the corpse by using 30 feet of movement, exiting prone.
The vampire tarrasque lich can take 6 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 vampire tarrasque lich regains spent legendary actions at the start of its turn.
Attack. The vampire tarrasque lich makes one claw attack or tail attack.
Move. The vampire tarrasque lich moves up to half its speed.
Chomp (Costs 2 Actions). The vampire tarrasque lich makes one bite attack or uses its Swallow.
Cantrip. The vampire tarrasque lich casts a cantrip.
Disrupt Life (Costs 3 Actions). Each non-undead creature within 20 feet of the vampire tarrasque lich must make a DC 22 Constitution saving throw against this magic, taking 33 (6d10) necrotic damage on a failed save, or half as much damage on a successful one.
Description
After killing a good god, an evil god was given 3 days to live by Ao for disrupting the balance. In a rage, the evil god decided to create the most powerful monstrosity imaginable and infuse it with his essence. His creation would inflict his wrath even when he was gone. Now, even the strongest being cower at the name mention of the vampire tarrasque lich. Wise Ssages say the only way to defeat it is to apologize to an all powerful being named the "DM" for something you did. If the "DM" forgives you he will contrive a way for the vampire tarrasque lich to be slain.
Lair and Lair Actions
A Vampire Tarrasque Lich’s Lair
A vampire tarrasque lich sleeps deap underground, only coming up every 10 years to feed, when this happens, everything in the area is destroyed.
Everything about a vampire tarrasque lich’s lair reflects its keen mind and wicked cunning, including the magic and mundane traps that secure it. Undead, constructs, and bound demons lurk in shadowy recesses, emerging to destroy those who dare to disturb the vampire tarrasque lich’s work.
A vampire tarrasque lich encountered in its lair has a challenge rating of 42.
Lair Actions
On initiative count 20 (losing initiative ties), the lich can take a lair action to cause one of the following magical effects; the lich can’t use the same effect two rounds in a row:
- The vampire tarrasque lich rolls a d8 and regains a spell slot of that level or lower. If it has no spent spell slots of that level or lower, nothing happens.
- The vampire tarrasque lich targets one creature it can see within 30 feet of it. A crackling cord of negative energy tethers the lich to the target. Whenever the lich takes damage, the target must make a DC 22 Constitution saving throw. On a failed save, the vampire tarrasque lich takes half the damage (rounded down), and the target takes the remaining damage. This tether lasts until initiative count 20 on the next round or until the vampire tarrasque lich or the target is no longer in the lich’s lair.
- Then vampire tarrasque lich calls forth the spirits of creatures that died in its lair. These apparitions materialize and attack one creature that the vampire tarrasque lich can see within 60 feet of it. The target must succeed on a DC 22 Constitution saving throw, taking 52 (15d6) necrotic damage on a failed save, or half as much damage on a success. The apparitions then disappear.
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