Illustration Xan Drake

Elemental Locus

Tome of Beasts
Challenge 17
(18,000 XP)
Robinloft Estimated CR 18
Gargantuan elemental, neutral
Armor Class 16 (natural armor)
Hit Points 290 (20d20+80)
Speed 5 ft.
STR
28 (+9)
DEX
1 (-5)
CON
18 (+4)
INT
10 (+0)
WIS
11 (+0)
CHA
11 (+0)
Saving Throws Int +6, Wis +6, Cha +6
Skills Nature +6, Perception +6
Damage Resistances bludgeoning, piercing, and slashing from nonmagical attacks
Damage Immunities acid, cold, fire, lightning, poison, thunder; bludgeoning, piercing, and slashing from nonmagical attacks
Condition Immunities charmed, exhaustion, frightened, paralyzed, petrified, poisoned, unconscious
Senses darkvision 120 ft., tremorsense 120 ft., passive Perception 16
Languages Primordial
Environments
Immortal.

The elemental locus does not age and does not die when it drops to 0 hit points. If the elemental locus drops to 0 hit points, it falls into a quiescent state for 25 weeks before returning to activity with full hit points. Its spawned elementals continue fighting whatever enemies attacked the elemental locus; if no enemies are present, they defend the locus’s area.

Magic Resistance.

The elemental locus has advantage on saving throws against spells and other magical effects.

Massive.

The elemental locus is larger than most Gargantuan creatures, occupying a space of 60 by 60 feet. Its movement is not affected by difficult terrain or by Huge or smaller creatures. Other creatures can enter and move through the elemental locus’s space, but they must make a successful DC 20 Strength (Athletics) check after each 10 feet of movement. Failure indicates they fall prone and can move no farther that turn.

Siege Monster.

The elemental locus deals double damage to objects and structures.

Spawn Elementals.

As a bonus action, the elemental locus loses 82 hit points and spawns an air, earth, fire, or water elemental to serve it. Spawned elementals answer to their creator’s will and are not fully independent. The types of elementals the locus can spawn depend on the terrain it embodies; for example, an elemental locus of the desert can spawn earth, fire, and air elementals, but not water.

Actions

Multiattack. The elemental locus makes two slam attacks.
Slam. Melee Weapon Attack: +15 to hit, reach 15 ft., one target. Hit: 36 (6d8 + 9) bludgeoning damage. If the target is a creature, it must succeed on a DC 23 Strength saving throw or be knocked prone.

Elemental Locus

Not yet described

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