Medium Humanoid (Human), Chaotic Evil
Armor Class 18 Heavy Armour
Hit Points 360 (64d10 + 40)
Speed 35 ft.
STR
16 (+3)
DEX
24 (+7)
CON
18 (+4)
INT
20 (+5)
WIS
18 (+4)
CHA
18 (+4)
Condition Immunities Exhaustion
Gear Tibia
Senses Passive Perception 17
Languages --
Challenge 17 (18,000 XP)
Proficiency Bonus +6
Traits

Magnum Opus: Tibia: When Callisto more than has 206 Corpus Ingredient: Bones and 5 Corpus Ingredient: Blood, consume all Corpus Ingredient stacks and gain 1 Artwork: Tibia. If Callisto has Artwork: Tibia at the start of a turn, use a very powerful attack with an action. Callisto can take 2 actions every turn.

Allow Me to Briefly Enjoy My Pupil's Exhibition: Callisto can redirect attacks from Albina, using Please, Vandalism is Prohibited as a reaction, if Albina asks him to.

The Aesthetics of Harvesting and Trimming the Ingredient On-site: After using a skill, gain 30 Corpus Ingredient: Bones and 1 Corpus Ingredient: Blood for every target damaged. 

Please, Do Stop Running and Be Seated: The two enemies that are highest in initiative order get -1 to hit for this encounter. If an enemy attempts to leave combat, summon a Corpus Theatre and trap them.

Corporism: Gain +1 to hit for every successful attack every turn, to a maximum of +3.

All of My Corpus has been Given to Tibia: Have resistance against Acid, Cold, and +4 when saving against being knocked prone. Callisto cannot be knocked prone or immobilised - if he is about to be, recover from it and become vulnerable to burning for 2 turns. 

Artwork Pleasing to the Senses: After consuming Artwork: Tibia, Callisto, Albina and Corpus Theatres take 10% less damage and get +1 to hit. 

Healthy Corpus Leads to Healthy Ingredients: Prioritises enemies with the highest HP, level, or otherwise combatative ability. 

Transcend the Corpus: At less than 50% HP, use a free action to use Closing Time - Installation Art no. 1: Your Flesh and Bones as the Gallery's Seats on the next turn at the end of initiative. After this, use the skill once every 5 turns.

Corpus Theatre: When a target is affected with Corpus Theatre, Callisto summons an according Corpus Theatre at the target's location. This summoned Corpus Theatre counts as a creature, has 10 HP and restrains the target for as long as it survives. While the target is affected with Corpus Theatre, their HP cannot be altered unless specified, and they cannot take actions. The target loses Corpus Theatre if the Corpus Theatre is destroyed or if three turns have passed.

 

 

Actions

Anatomise: Melee Weapon Attack: +8 to hit, 5ft reach, 1 target. 14 (4D6+2) slashing damage. After the attack, the target takes 5% more damage the next turn and Callisto takes 5% less damage the next turn. The target must pass a DC14 constitution saving throw or take an additional 2D4 piercing damage. Callisto makes two wide, sweeping slashes with Tibia, cutting through his targets and leaving bleeding wounds.

Gather Ingredient - Blood-bathed Objet: Melee Weapon Attack: +8 to hit, 10ft reach, 1 target. 16 (3D8+4) slashing damage. After the attack, the target gains -2 to hit the next turn and Callisto gains +2 to hit. The target must pass a DC18 constitution saving throw or take an additional 1D6 piercing damage. Callisto extends Tibia and makes an upwards slash at his target, impaling them before reaching in and ripping out a piece of flesh. 

Tibia's Melody - Anatomization of the Unanatomized by the Anatomised: Melee Weapon Attack: +12 to hit, 15ft reach, 6 targets. 6 (2D4+2) piercing damage, 18 (3D6+9) slashing damage, 4 (1D4+2) bludgeoning damage. This attack cannot be used unless the necessary conditions are fulfilled. This attack is used last in initiative, and for every time Callisto is hit before the attack is used, -1 to attack, to a maximum of -3, and reduce damage dealt by 10%, to a maximum of 30% damage reduced. On the turn this attack is used, take 20% less damage from attacks and gain 10 temporary HP. After the attack, lose Artwork: Tibia. Callisto drives Tibia into his targets before tearing it out and enlargening it, cleaving through his targets with a wide slash before fully enlargening it and slamming it down upon his targets.

Closing Time - Installation Art no. 1: Your Flesh and Bones as the Gallery's Seats: Melee Weapon Attack: +10 to hit, 40ft reach, 12 targets. This skill cannot be used unless the necessary conditions are fulfilled. This attack does not do damage. If this attack successfully hits a target, it immobilises them and affects them with Corpus Theatre. Callisto reaches into the ground and pulls out tendons, pulling at them to summon various Corpus Theatre spikes that penetrate his opponents.

Please Observe the Beauty of the Corpus in Full Display: Melee Weapon Attack: +18 to hit, 40ft reach, 12 targets. 24 (6D6+6) slashing damage. This skill cannot be used unless Closing Time - Installation Art no. 1: Your Flesh and Bones as the Gallery's Seats has been used in the prior turn. Can only target targets affected with Corpus Theatre. This attack ignores the Corpus Theatres, and does damage to the targets. Callisto slowly approaches his ingredients before enlargening Tibia and slashes through his targets, picking them apart and twisting their form. After this attack, release targets from Corpus Theatre.

 

 

Bonus Actions

 

 

Reactions

Curating the Exhibition: When Callisto takes this reaction, he gains +3 to his AC and 20 temporary HP. This can only be taken as a reaction if he has not been hit while taking this skill. Callisto dodges away from attacks targeting him with light footsteps.

Please. Vandalism is Prohibited. Melee Weapon Attack: +7 to hit, 5ft range, 1 target. This skill can only be used to redirect attacks from Albina. When this skill is used, take 5% less damage for the attack he is redirecting. 6 (2D4+2) slashing damage, Callisto gains +2 to hit and damage next turn and takes 5% less damage next turn. Conversely, the target takes 5% more damage and gains a -2 to hit and damage next turn. Callisto quickly steps before Albina and slashes his target twice with Tibia. 

 

Legendary Actions

Callisto has a total of 2 legendary actions that he can use in a turn of combat. He can only take each legendary action once, 

Installation Art no. 3: Improvised Ribcage (1 legendary action): Melee Weapon Attack: +6 to hit, 5ft range, 1 target. This skill does not do any damage. On successfully hitting a target, affect them with Corpus Theatre. Callisto grasps a target and quickly works to imprison them in a Corpus Theatre.

Oh, How We Love the Flesh and the Blood (1 legendary action): This skill does not do damage, and must target an ally. The affected target gains a +1 to hit for their next attack and does an additional 2D4 bleeding damage. Callisto moves gracefully to appraise the artwork of an ally and imparts part of his influence.

 

Description

Callisto is a tall, mechanical man wearing white and gold. He wears a large hat with gold trimming and many holes. He also wears a flowing, Greek style robe and bears two long stripes of cloth adorning his shoulders. He uses a large weapon made of his corpus, Tibia, which he considers his magnus opus and tends to while using it to fight. 

Previous Versions

Name Date Modified Views Adds Version Actions
3/27/2026 9:47:00 PM
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Monster Tags: constructhumanoidHuman

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