Flute of the Dead (5e Equipment)
From D&D Wiki
Wondrous item, Very Rare (Requires Attunement, Bard)
A beautiful flute made from the leg bone of an aasimar. Inlayed with gold, with necromatic words carved along the length. The sound is pleasant but has a bone chilling tone.
Summon Undead Creature(s)
While playing it, you can use an action to expend 1 or more of its charges to summon an number undead creature equal to the number of charges used plus your spell modifier. Undead creatures you can summon are based on your level; Lv1: cr 1/4, lv4: cr 1/2, lv8: cr 1. Undead creatures summond use the stat block of a zombie or skeleton while still using the actions of the original creature.
This spell creates an undead servant. Choose a Medium or Small creature based on your level; Lv1: cr 1/4, lv4: cr 1/2, lv8: cr 1. Your spell imbues the creature with a foul mimicry of life, raising it as an undead creature. The target becomes a skeleton if you chose bones or a zombie if you chose a corpse (the GM has the creature’s game statistics). On each of your turns, you can use a bonus action to mentally command any creature you made with this spell if the creature is within 60 feet of you (if you control multiple creatures, you can command any or all of them at the same time, issuing the same command to each one). You decide what action the creature will take and where it will move during its next turn, or you can issue a general command, such as to guard a particular chamber or corridor. If you issue no commands, the creature only defends itself against hostile creatures. Once given an order, the creature continues to follow it until its task is complete. The creature is under your control for 24 hours, after which it stops obeying any command you’ve given it. To maintain control of the creature for another 24 hours, you must cast this spell on the creature again before the current 24-hour period ends. This use of the spell reasserts your control over up to four creatures you have animated with this spell, rather than animating a new one.