Syrune (5e Equipment)
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Wondrous Item (pendant), legendary (requires attunement by a non-lawful character)
Syrune is a silver pendant shaped like a crescent moon. Hanging in the middle of the crescent is a heart-shaped vessel with a glowing blue crystal inside of it. Syrune starts with 7 charges and regains 1d6+1 expended charges daily at dawn.
Gift of Flight. You can use your bonus action and expend 1 charge to conjure a pair of spectral, bat-like wings, granting you a fly speed of 50 feet if you are wearing light or no armor; or 20 feet if you are wearing medium armor. The wings last for 1 hour or until you dismiss them as a bonus action. You fly this way if you are wearing heavy armor.
Heart of Ice. You have immunity to cold damage and vulnerability to fire damage. Additionally, whenever you are hit with an attack that deals cold damage, you can expend 1 charge to gain temporary hit points equal to the damage you take.
Freeze Solid. When you hit a creature with a weapon attack, you may expend a charge to deal an extra 1d10 cold damage. In addition, the target must make a DC 16 Constitution saving throw or become encased in ice until the end of their next turn or until they take any amount of fire damage. While encased in ice, the target is petrified.
Armor of Verglas. You can expend 1 charge and use your action to cause ice crystals to spread across your clothing, armor, and skin. You gain 6d8 temporary hit points for a duration of 1 minute. While you have these temporary hit points, you gain a +1 bonus to AC, your movement speed is reduced by 10 feet, and you have resistance to non-magical bludgeoning, piercing and slashing damage.
If you lose all of the temporary hit points before 1 minute passes, all creatures within 15 feet of you must make a DC 16 Constitution saving throw. On a failed save a target takes 2d6 piercing and 3d8 cold damage, and have their speed reduced by 10 feet until the start of your next turn. On a successful save, a target takes half the damage.
Spirit of Frost. You can expend 2 charges and use your action to speak a command word. You take 6d6 necrotic damage. Syrune's Spirit is conjured in an empty space you can see within 30 feet.
Syrune's Spirit is a 5'5" tall, ethereal-looking fey woman with short, wavy, dark hair. She acts on your initiative, and you control her turn. Her AC is 15, she is a 15th level Shadow Sorcerer with 57 hit points, and her ability scores are as follows. Str: 9 (-1), Dex: 18 (+4), Con: 10 (+0), Int 12 (+1), Wis: 16 (+3), Cha: 28 (+9). She has the Spell Sniper and Elemental Adept (cold) feats, a flying speed of 50 ft, and wields a shortsword (+9 to hit, 2d6+4 cold damage) and a crystal-topped staff (arcane focus). She has the following Metamagics: Empowered Spell, Quickened Spell, and Twinned Spell. Syrune's Spirit can also use the Heart of Ice, Freeze Solid, and Armor of Verglas abilities. She also has Ethereal Sight and Incorporeal Movement (see Ghost Stats for more information), as well as resistance to non-magical bludgeoning, piercing, and slashing damage. She has 4 first-level spell slots, 3 second-, third-, and fourth-level spell slots, 2 fifth-level spell slots, and 1 sixth-, seventh-, and eighth-level spell slot. Syrune stays for 1d20 minutes or until she is killed, at which point she retreats back into the pendant. After she does, you cannot use this feature again for 1d3 days, and Syrune will not speak for the next 1d20 hours, during which time, you cannot benefit from any of this item's features except Gift of Flight.
Syrune's Spirit knows the following spells:
(Cantrips) Ray of Frost, Frostbite, Infestation, Shocking Grasp, Thunderclap, Minor Illusion, Eldritch Blast
(1st-Level) Ice Knife, Chromatic Orb (cold), Magic Missile, Shield
(2nd-Level) Snilloc's Snowball Swarm, Dragon's Breath (cold), Darkness, Mirror Image
(3rd-Level) Lightning Bolt, Enemies Abound
(4th-Level) Ice Storm, Blight
(5th-Level) Cone of Cold, Insect Plague
(6th-Level) Investiture of Ice