| Mod | Save | ||
|---|---|---|---|
| STR | 26 | +8 | +8 |
| DEX | 14 | +2 | +16 |
| CON | 26 | +8 | +28 |
| Mod | Save | ||
|---|---|---|---|
| INT | 21 | +5 | +22 |
| WIS | 25 | +7 | +26 |
| CHA | 22 | +6 | +24 |
Otherworldly Manifest
BBEG is permanently affected by the shield and bless spells (included in the stat block).
If either effect is dispelled, BBEG must succeed on a Constitution saving throw against the caster’s spell save DC or lose the benefits of this trait for 1 minute.
Eldritch Corruptor
After BBEG hits a creature with an attack, or a creature fails a saving throw against one of BBEG’s effects, that creature gains 1d4 Corruption Points (CP) for 1 hour.
Remove Curse or Greater Restoration removes 2 CP from a creature.
Legendary Resistance (3/Day)
Anchored Fate
BBEG begins the encounter with 3 Fate Anchors bound to its lair.
- When BBEG fails a saving throw, it can instead choose to succeed by expending 1 Fate Anchor.
- When a Fate Anchor is expended this way, it cracks visibly, destabilizing the lair.
- A Fate Anchor is also destroyed when its corresponding Eldritch Anchor is destroyed.
- When all Fate Anchors are destroyed, BBEG can no longer replace failed saving throws.
Spellcasting
BBEG casts spells using Wisdom as its spellcasting ability (spell save DC 21, +13 to hit with spell attacks). It requires no material components.
At Will: dimension door, summon aberration
3/Day Each: antilife shell, forcecage, reverse gravity, befuddlement
1/Day Each: banishment (concentration), time stop
Time Stop (Special):
When BBEG casts time stop, it cannot cast spells higher than 5th level during the effect and cannot apply Corruption Points while time is stopped.
Multiattack
BBEG makes two Eldritch Tendril attacks.
Eldritch Tendril
Melee Weapon Attack: +14 to hit, reach 30 ft., one target.
Hit: 36 (8d8 + 8) bludgeoning damage, and the target is grappled (escape DC 20).
While grappled, the target is restrained.
At the end of each of its turns, the target can repeat the saving throw, ending the effect on a success.
BBEG can grapple up to four creatures at a time.
BBEG can take 2 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.
Reality Shift
BBEG teleports up to 60 feet to an unoccupied space it can see.
Eldritch Weave (Costs 2 Actions)
BBEG casts a spell of 5th level or lower from its spell list.
Corrupt (Costs 2 Actions; 1/Round)
One creature of BBEG’s choice within 60 feet that already has at least 1 CP must succeed on a DC 21 Constitution saving throw or gain 2d4 Corruption Points.
Corruption Point Effects
When BBEG removes Corruption Points from a creature it is grappling, it can apply one of the following effects based on the number of CP spent:
Glimpse of Desolation (5 CP)
The target cannot concentrate on spells for 1 minute.
At the end of each of its turns, the target can make a DC 21 Wisdom saving throw, ending the effect on a success.
Eternal Awakening (7 CP)
BBEG regains one expended legendary action.
Eradicate Identity (11 CP)
The target has disadvantage on attack rolls, saving throws, and ability checks for 1 minute.
The target can repeat a DC 21 Wisdom saving throw at the end of each of its turns, ending the effect on a success.
Transcendental Purge (20 CP)
The target must make a DC 22 Constitution saving throw, taking 100 (20d10) radiant damage on a failed save, or half as much on a success.
If this damage reduces the target to 0 hit points, the target is disintegrated.
Lair and Lair Actions
Lair of BBEG: The Omen Crucible
BBEG dwells in a fractured reality-space where prophecy, memory, and flesh bleed together. Gravity bends subtly, distances feel unreliable, and whispers of possible futures echo through the air.
Lair Traits (Always Active)
Warped Geometry
- Difficult terrain does not affect BBEG.
- Other creatures treat vertical movement as horizontal within 20 feet of BBEG (walls, pillars, floating debris).
- Ranged attacks beyond 60 feet have disadvantage unless the attacker has truesight or blindsight.
Ambient Corruption
At the start of each creature’s turn:
- If it has 5 or more Corruption Points, it takes 5 psychic damage (no save).
- This damage cannot reduce a creature below 1 HP.
Fractured Reality Anchors
There are 3 Eldritch Anchors embedded in the lair.
- AC 16, 60 HP each
- Immune to psychic damage
Destroying an anchor grants one immediate benefit (party choice):
- Remove 3 CP from all creatures
- End one ongoing CP effect
- Prevent lair actions for 1 round
Lair Actions
On initiative count 20 (losing initiative ties), BBEG can take one lair action.
BBEG cannot use the same lair action two rounds in a row.
1. Omen Pulse
Reality shudders with prophetic force.
- Each creature of BBEG’s choice within 60 feet must succeed on a DC 20 Wisdom saving throw or gain 1d4 CP.
- Creatures behind total cover are unaffected.
2. Collapse Probability
One 20-foot-radius area BBEG can see becomes unstable until initiative count 20 on the next round.
- The area is difficult terrain
- The first time a creature enters or starts its turn there, it must succeed on a DC 20 Dexterity save or be knocked prone and take 14 (4d6) force damage
3. Veil of Unmaking
BBEG briefly erases certainty.
- One creature BBEG can see must succeed on a DC 20 Charisma saving throw or have disadvantage on:
- Its next attack roll, or Its next saving throw (BBEG’s choice)
This effect ends after it triggers once.
4. Call the Omen
BBEG draws strength from possible futures.
- BBEG gains 10 temporary hit points
- One grappled creature gains 1d4 CP
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