Medicinal Gun

Spellcasting Focus

Legendary Wisdom Or Charisma Based Spellcasting

Ammo(Bullet), Alluring, Loading, Occult, Runic, Scatter

When used as a Spellcasting focus, you gain +5 to your Spell Attack Modifier and Spell Save DC.

Complicated Properties

Alluring. You can use Charisma as the modifier for this weapon.

Occult. You can use Wisdom as the modifier for this weapon.

Runic. You can use this item as a Spellcasting focus.

Spell Boon

Healing Spell. you can cast a variant of Mass Heal at 9th-level without expending a spell slot.

This variant differs in that, the amount of hit points restored is increased; From 700 hp to 1000 hp.

Rules for Catalyst Boon's can be found here: Spellcasting Catalyst