[Polymer] Item - Dracon Tongue

The fire doesn't look that realistic but I had pretty good practice drawing a mouth! This starts off group of new item types called polymutics, which are bioaugments physically grafted to a patient. Their benefits are usually permanent, but can be attuned to for additional benefits, which is pretty interesting!

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Despite its name, the tongue are not actually harvested from dragons. Instead, goat or cow tongues are infused with a mixture of drake essence that grants them draconic abilities. Some dragons may grant their essence as a gift or boon, while others have their stolen by black market hunters.

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Dracon Tongue
Wondrous item, polymutic, uncommon (optional attunement)

This tongue is magically preserved from rot. To gain its benefits, the tongue must be permanently grafted to a willing recipient over the course of 2 hours, which replaces the recipient's tongue. The painful procedure must be performed by an experienced surgeon proficient in Medicine, who makes a DC 15 Wisdom (Medicine) check at the end of each hour of procedure. On a failed save, the tongue's recipient loses 2d8 hit points. Once grafted, this tongue cannot be removed unless the recipient allows it.

Silver Tongue. While this tongue is grafted to you, your Charisma score increases by 1 up to a maximum of 17, unless it was already higher. You also learn to speak and understand Draconic.

Optional Attunement. You can also attune to this tongue while it is grafted to you. If you do, you gain a draconic breath weapon if you don't already have one. When you take the Attack action on your turn, you can replace one of your attacks with an exhalation of magical energy in a 30-foot line that is 5 feet wide. Each creature in that area must make a Dexterity saving throw (DC = 8 + your Constitution modifier + your proficiency bonus). On a failed save, the creature takes 2d6 damage of the tongue's infused type (usually fire). Once used, you can't use this property again until you finish a short or long rest.

If you already have a breath weapon trait, you instead roll one additional damage die and add it to the total whenever you deal damage with it.