Baalphegor's Black Band (5e Equipment)
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Ring, artifact (requires attunement by a spellcaster)
When the Archduke of Cania, Mephistopheles, wed the she-devil Baalphegor, he presented her with a black ring as a symbol of their union. The ring was of an ebony & cold iron alloy that bore an unusual wrapped pattern and chilled the skin with the cold of Cania. Truly, the only things in all of Baator more fiendishly dazzling were possessed by Asmodeus himself. The seldom left Baalphegor's finger, it was her prized possession treasured high above all other gifts and treasures in her possession. In her private time, she began to tinker with her prize, pouring her infernal sorcery into it and performing hellish rituals, fueling it with the might of hell. She even empowered it with the corrosion of the Lord of the Second and the hellfire of the Lord of the Eighth. With so much power, the black band sparked a small will of its own, a hunger for more power.
It reached out, tempting anything that came near it, until it was stolen by a nameless soul. The soul used the black band's power to escape its eternal damnation and flee back to the prime material. Baalphegor was enraged and sent hordes of erinyes and pit fiends after the mortal. They found him, but he had already lost the ring before they could drag him back to hell. For the black band desires power above all and when its bearer could no longer provide it with power, it finds a way to fall into the hand of anther that will feed its insatiable desires.
To this end, any creature that attunes to the ring will feel an overwhelming urge to collect knowledge and power, magical or otherwise.
To remove the ring, the wearer must make a wisdom saving throw at a DC equal to 10 + days worn.
Protection. You gain a +1 bonus to your AC while you wear Baalphegor's Black Band.
Baalphegor's Sorcery. While you wear the black band you gain 2 additional spell slots for each spell level that you can cast.
Dispator's Conversion. The black band has 5 charges. While you are wearing the it, you spend 1 charge to turn a creature into iron. As an action, You attempt to turn one creature that you can see within 10 ft into iron. If the targets body is made of flesh, the creature must make a Constitution saving throw against your spellcasting DC. On a failed save, it is restrained as its flesh begins to harden. On a successful save, the creature isn’t affected. A creature restrained by this spell must make another Constitution saving throw at the end of each of its turns. If it successfully saves against this spell three times, the spell ends. If it fails saves three times, it is turned into iron and subjected to the petrified condition. The successes and failures don’t need to be consecutive; keep track of both until the target collects three of a kind. If the creature is physically broken while petrified, it suffers from similar deformities if it reverts to its original state. the creature is turned to iron until the effect is removed.
The black band regains 1d4+1 charges daily at dawn.
Dispator's Corrosion. While you are wearing the black band, you can corrode any non-magical metal with a touch as an action. small or smaller objects are corroded instantly, medium objects take 1 round to corrode, large objects take 2 rounds to corrode, huge objects take 4 rounds to corrode, and gargantuan objects take 8 rounds to corrode.
Mephistopheles' Fire. While you are wearing the black band, any attacks you make that deal fire damage, deal hellfire damage instead. Hellfire is a creation of Mephistopheles that burns hotter than any other flame and can bypass fire resistance and immunity.