Obajima, Tyrant of Creation

gargantuan aberration (titan), lawful evil

D&D 5.5 / SRD 5.2

Challenge 30 (155,000 XP)

Available with DM subscription
Register to save this monster forever!

This monster will be deleted in 6 days. Create a free account to claim all your generated content.

STR
30 (+10)
DEX
18 (+4)
CON
30 (+10)
INT
26 (+8)
WIS
24 (+7)
CHA
28 (+9)

Defense

Armor Class
23 (natural armor)
Hit Points
676 (33d20+330 +10)
Speed
40 ft., fly 80 ft., swim 40 ft., (hover)

Proficiencies & Senses

Saving Throws Constitution, Wisdom, Charisma
Skills
Arcana +17, Insight +16, Athletics +19, Deception +18, Perception +16, Intimidation +18
Senses
darkvision 240 ft.
blindsight 120 ft.
truesight 120 ft.
Detect Creation 1000 ft. (Obajima senses any object or structure created or summoned within 1,000 feet.)
passive Perception 26

Characteristics

Damage Vulnerabilities
—
Damage Resistances
cold, fire, lightning, necrotic, poison, psychic
Damage Immunities
acid, force, radiant, thunder
Condition Immunities
charmed, exhaustion, frightened, paralyzed, petrified, poisoned, stunned
Languages all languages

Spellcasting

Spellcasting

Spellcasting
Spellcasting Rule
Obajima casts one of its prepared spells, using Charisma as the spellcasting ability (spell save DC 26, +18 to hit with spell attacks).
Charisma Level 20 DC 26 +18 to hit Cantrips at will Level 1 4 slots Level 2 3 slots Level 5 2 slots Level 9 1 slot
Acid Splash SRD Cantrips At will

You create an acidic bubble at a point within range, where it explodes in a 5-foot-radius Sphere. Each creature in that Sphere must succeed on a Dexterity saving throw or take 1d6 Acid damage.Cantrip Upgrade. The damage...

Fire Bolt SRD Cantrips At will

You hurl a mote of fire at a creature or an object within range. Make a ranged spell attack against the target. On a hit, the target takes 1d10 Fire damage. A flammable object hit by this spell starts burning if it...

Ray of Frost SRD Cantrips At will

A frigid beam of blue-white light streaks toward a creature within range. Make a ranged spell attack against the target. On a hit, it takes 1d8 Cold damage, and its Speed is reduced by 10 feet until the start of your...

Alarm SRD Level 1 4 slots

You set an alarm against intrusion. Choose a door, a window, or an area within range that is no larger than a 20-foot Cube. Until the spell ends, an alarm alerts you whenever a creature touches or enters the warded...

Shield SRD Level 1 4 slots

An imperceptible barrier of magical force protects you. Until the start of your next turn, you have a +5 bonus to AC, including against the triggering attack, and you take no damage from Magic Missile.

Acid Arrow SRD Level 2 3 slots

A shimmering green arrow streaks toward a target within range and bursts in a spray of acid. Make a ranged spell attack against the target. On a hit, the target takes 4d4 Acid damage and 2d4 Acid damage at the end of...

Aid SRD Level 2 3 slots

Choose up to three creatures within range. Each target's Hit Point maximum and current Hit Points increase by 5 for the duration.Using a Higher-Level Spell Slot. Each target's Hit Points increase by 5 for each spell...

Telekinesis SRD Level 5 2 slots

You gain the ability to move or manipulate creatures or objects by thought. When you cast the spell and as a Magic action on your later turns before the spell ends, you can exert your will on one creature or object that...

Wish SRD Level 9 1 slot

Wish is the mightiest spell a mortal can cast. By simply speaking aloud, you can alter reality itself.The basic use of this spell is to duplicate any other spell of level 8 or lower. If you use it this way, you don't...

Traits and Actions

Legendary Resistance

Trait
Saving Throws Rule
If Obajima fails a saving throw, it can choose to succeed instead.

Tyrant of Creation

Trait Custom
Tyrant of Creation Custom
Damage Resistance Custom
Obajima's weapons and abilities ignore resistance to their damage types. When it creates an object or creature, that creation lasts until Obajima is destroyed or dismisses it as a free action.

Primordial Aura

Trait
Constitution Rule
At the start of each of Obajima's turns, each creature within 30 feet takes 10 force damage and must succeed on a DC 26 Constitution saving throw or have its speed halved until the start of its next turn.

Unmade Form

Trait Custom
Dispel Evil and Good Spell
Unmade Form Custom
When Obajima is reduced to 0 hit points, its body collapses into raw creation. It reforms with 150 hit points at the start of its next turn unless a creature uses an action to cast Dispel Evil and Good on the remains (DC 26).

Magic Resistance

Trait
Saving Throws Rule
Obajima has advantage on saving throws against spells and other magical effects.

Multiattack

Action
Obajima makes three attacks using Genesis Blade or World-Forging Slam, or two attacks and one use of Sculpt Reality.

Genesis Blade

Action
Attack Rolls Rule
Melee Weapon Attack: +19 to hit, reach 20 ft., one target. Hit: 28 (4d8+10) slashing damage plus 14 (4d6) force damage.

World-Forging Slam

Action
Prone Condition
Melee Weapon Attack: +19 to hit, reach 20 ft., one target. Hit: 32 (4d10+10) bludgeoning damage, and the target is pushed 15 feet and knocked prone.

Sculpt Reality

Action
Dexterity Rule
Obajima reshapes a 30-foot cube within 120 feet. Each creature in the area must make a DC 26 Dexterity saving throw, taking 36 (8d8) force damage on a failure or half as much on a success. The area becomes difficult terrain.

Forge Minion

Bonus Action Custom
Forge Minion Custom
Obajima creates one construct or beast of CR 5 or lower in an unoccupied space within 30 feet. It obeys Obajima and acts on its initiative. Obajima can have up to three minions at a time.

Rewrite Fate

Reaction
Ability Checks Rule
When a creature within 60 feet makes an attack roll, ability check, or saving throw, Obajima forces it to reroll and use the lower result.

Running the encounter

Combat Behavior

Tactics

  • Opens with Wish or Sculpt Reality to divide the party, then uses Forge Minion to flank.
  • Uses Rewrite Fate to negate critical hits or key saves.

Combat Style

Overwhelming creation and control, reshaping the battlefield each round.

Morale

Fights to the death, believing itself unkillable.

Appearance & presence

Monster Description

Obajima is a Gargantuan horror of living marble and starlight, its body a patchwork of divine architecture and cosmic void. The titan stands nearly forty feet tall, its four arms each ending in hands that shift between stone, crystal, and shimmering energy. Its torso resembles a shattered cathedral, with ribs of white marble arching over a core of swirling nebulae, and its head is crowned by broken halos of golden light that rotate slowly like the rings of a dead world.

The creature's skin is veined with silver and gold, and its eyes are twin stars burning with cold, patient malevolence. When it moves, the air fills with the sound of grinding stone and the faint, distant chime of collapsing stars. Its footsteps crack the ground, and its breath carries the scent of ozone and ancient dust. Obajima's voice is a chorus of a thousand whispers, each word echoing as if spoken from the bottom of a well.

It speaks in riddles and decrees, often referring to itself in the third person as the 'Architect of All.' The titan's presence distorts reality around it: colors shift, gravity stutters, and small objects float upward in its wake. Its four arms move with terrifying grace, each one capable of wielding a different weapon or shaping raw creation with a gesture. The Genesis Blade it carries is a shard of pure potential, a sword of shifting light that hums with the sound of a billion unborn worlds.

When Obajima flies, its broken halos spin faster, and it leaves a trail of crystalline dust that hardens into jagged spikes. Its laughter is a low, resonant rumble that shakes the bones of all who hear it.

Instincts & motives

Monster behavior

Obajima is a being of absolute conviction, driven by a desire to remake existence according to its own rigid design. It views all living things as flawed drafts, failed experiments to be recycled or replaced. The titan rarely engages in direct conversation, preferring to issue decrees and demands, expecting immediate obedience. When intruders enter its domain, Obajima first observes them with cold curiosity, often allowing them to speak before dismissing their words as irrelevant.

It reacts to threats with overwhelming force, but it is not mindless: it enjoys toying with powerful foes, testing their resolve and creativity before crushing them. Obajima's minions are extensions of its will, and it treats them as tools, never as allies. It has no concept of mercy or compromise, but it can be temporarily placated by offerings of rare materials or creative works, which it may examine with genuine fascination before destroying them anyway.

Its primary motivation is to find and absorb the spark of true creation, which it believes resides in the souls of exceptional mortals. In social interactions, Obajima is imperious and condescending, speaking in grand pronouncements and belittling the achievements of others. It does not understand friendship or love, only utility and worship.

Habitat & life cycle

Ecology

Obajima exists outside the normal cycles of life and death. It does not eat, sleep, or breathe, sustaining itself on the ambient energy of creation that permeates the multiverse. Its body is a self-contained ecosystem of raw potential, constantly regenerating and reshaping itself. The titan makes its lair in places where reality is thin: ruined cities, demiplanes, and volcanic wastelands where the fabric of the world has been torn. It prefers shattered landscapes and floating islands, which it can reshape at will.

Obajima's presence warps the environment, causing spontaneous generation of minor creatures and objects, which it often ignores or destroys. It has no natural predators, but it harbors a deep hatred for celestials and other beings of pure creation, viewing them as rivals. Its life cycle is unique: when its body is destroyed, it reforms from the residual creative energy unless properly dispelled. Obajima can create minions from nothing, but these are mere extensions of its power, not true offspring. It is a singular entity, the last of its kind, and it has no interest in reproduction or legacy beyond its own eternal dominance.

Origins & legends

History

Obajima's origins are shrouded in myth, but ancient texts suggest it was once a mortal architect who sought to rival the gods. Through forbidden rituals and the sacrifice of entire cities, it ascended into a being of pure creation, but the process twisted its mind and body. It was eventually imprisoned by a coalition of celestials and archmages in a demiplane of shattered stone, but over millennia, it broke free and began rebuilding its power.

Local legends speak of a 'Tyrant of Creation' who appears in times of great upheaval, offering boons that inevitably lead to ruin. In the current era, Obajima has established a throne in a ruined city floating in the Astral Plane, from which it sends its cults to gather artifacts of creation. Adventure hooks include: a cult seeks to summon Obajima to the Material Plane; a powerful artifact was stolen from its hoard, and it demands its return; or a celestial ally asks the party to permanently destroy the titan by finding the original ritual that bound it. Obajima's history is one of ambition, betrayal, and unending tyranny, and its return signals a cataclysmic shift in the balance of power.

Ready to Unleash Your Dungeon Master Potential?

Join thousands of DMs and turbocharge your campaign preparation with Fable Fiesta!

Register, and get access to monster abilities, combat behaviour and lore!

Sign Up Now - It's Free!

No credit card required. Start writing in minutes!