Description: The Whistle of the Spirits is a finely crafted silver whistle adorned with intricate engravings depicting ethereal figures. When blown, the whistle emits a haunting, melodic tune that resonates with the energies of the ethereal realm. Upon each use, roll a four-sided dice (d4) to determine which spirit is summoned. The spirits are bound to the whistle and offer their unique abilities to aid the summoner.

1. Spirit of Vigilance: Abilities: Grants the summoner and their allies advantage on initiative rolls for the next hour. Once per short rest, the summoner can invoke the spirit's protective aura, granting resistance to necrotic and psychic damage for 1 minute.

2. Spirit of Fortune: Abilities: For the next hour, the summoner and their allies gain advantage on all skill checks and saving throws. Once per short rest, the summoner can ask the spirit for guidance, allowing them to reroll a single ability check, attack roll, or saving throw. 

3. Spirit of Renewal: Abilities::  The summoner and their allies regain hit points equal to their hit dice + their Constitution modifier at the start of each of their turns for the next minute. Once per short rest, the summoner can channel the spirit's rejuvenating energy to cast Lesser Restoration without expending a spell slot.

4. Spirit of Shadows: Abilities: The summoner and their allies gain the benefits of the Pass without Trace spell for the next hour, allowing them to move stealthily and leave no tracks. Once per short rest, the summoner can meld with shadows, becoming invisible for 1 minute or until they make an attack or cast a spell.

Notes: user must prick self with tip of whistle to attune spirits to your soul