The Confinement Sphere is a remarkable arcane construct hailing from the enigmatic Vache Kingdom. It takes the form of a medium-sized black metallic sphere, measuring 5 feet in diameter. Within its dark confines lies an imprisoned devil, magically bound to serve the master of the sphere. However, attuning to this powerful artifact is not without sacrifice and risk.
To attune to the Confinement Sphere, one must endure a grueling ritual. The aspiring master must touch the sphere for a continuous period of 10 minutes, during which they are subjected to intense and searing fire. For each minute endured, the individual suffers 1d6 fire damage, amounting to a total of 10d6. The choice to persist or release their hold on the sphere lies with the aspiring master, allowing them to attempt the attunement again at a later time if they are unable to endure the fire. However, those who successfully withstand the trial of flames become bound to the sphere, forging a powerful connection between master and artifact.
Once attuned, the master of the Confinement Sphere gains the ability to channel the latent magic within and unleash a selection of infernal spells. The sphere possesses 10 charges, serving as a reservoir of arcane energy that can be tapped into by the master. The sphere itself boasts a formidable Armor Class of 18, reflecting its durable and resilient construction. At the dawn of each new day, the sphere regains 1d4 charges, replenishing its magical potency. However, should the sphere ever run out of charges or sustain significant damage, the master must face a perilous outcome. They must roll a 1d100, and if the result falls below 10, the sphere's containment fails, shattering open to release the imprisoned devil, which becomes hostile toward all in its vicinity.
The master of the Confinement Sphere can utilize their connection to channel the sphere's magic as a bonus action. The following infernal spells are accessible for the master to invoke, each consuming a specific number of charges:
- Fire Shield [1 Charge]: The master envelops themselves in a protective shield of flames, gaining resistance to cold damage and dealing fire damage to any creature that hits them with a melee attack.
- Flame Blade [2 Charges]: The master summons a blade of fire into their hand, allowing them to make melee spell attacks with it, dealing fire damage.
- Scorching Ray [3 Charges]: The master unleashes a barrage of searing rays, making ranged spell attacks against targets within range and dealing fire damage with each hit.
- Fireball [4 Charges]: The master hurls a fiery sphere that explodes upon impact, causing a massive explosion and dealing fire damage to all creatures in the area of effect.
- Wall of Fire [5 Charges]: The master conjures a wall of roaring flames, creating a barrier of intense heat that deals fire damage to any creature that passes through it.
- Fire Storm [6 Charges]: The master calls upon the fury of the inferno, summoning a rain of fire in a large area, causing intense fire damage to all creatures within the area of effect.
- Incendiary Cloud [8 Charges]: The master conjures a swirling cloud of noxious fumes and flames, creating a hazardous zone that deals fire damage to any creature that enters or starts its turn within it.
The Confinement Sphere stands as a testament to the power of the Vache Kingdom and its mastery over infernal forces. Its allure of wielding such potent magic draws ambitious and daring individuals to seek its power. However, the risks involved in its attunement and the potential consequences of mishandling or exhausting its charges serve as constant reminders of the delicate balance between control and chaos when harnessing the forces of the infernal realm.