Shapechanger. The bruxa can use its action to polymorph into a Large giant bat or a Medium human, or back into its true form.
While in giant bat form, the bruxa can’t speak, its walking speed is 10 feet, and it has a flying speed of 60 feet. Its statistics, other than its size and speed, are unchanged. Anything it is wearing transforms with it, but nothing it is carrying does. It reverts to its true form if it dies..
Regeneration. The bruxa regains 20 hit points at the start of its turn if it has at least 1 hit point. If the bruxa takes damage from the black blood elixir, this trait doesn’t function until the bruxa finishes a long rest.
Spider Climb. The Bruxa can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.
Bruxa Weaknesses. The bruxa has the following flaws:
Alchemical Bane. A bruxa is vulnerable to attacks made with weapons coated with Vampyre Oil.
Indigestion. A bruxa that drinks the blood of a creature under the effects of the Black Blood elixir has halved movement, and can no longer take legendary actions.
Innate Spellcasting. The bruxa is a 4th level spellcaster. It's spellcasting ability is Charisma (spell save DC 15)
At will: speak with animals
1/day: greater invisibility
Multiattack. (True Form Only). The bruxa makes two attacks, only one of which can be a bite attack.
Unarmed Strike (True Form Only). Melee Weapon Attack: +12 to hit, reach 5 ft., one creature. Hit: 11 (1d8 + 7) slashing damage. Instead of dealing damage, the bruxa can grapple the target (escape DC 18).
Bite. (Giant Bat or True Form Only). Melee Weapon Attack: +12 to hit, reach 5 ft., one willing creature, or a creature that is grappled by the bruxa, incapacitated, or restrained. Hit: 10 (1d6 + 7) piercing damage plus 10 (3d6) necrotic damage. The target’s hit point maximum is reduced by an amount equal to the necrotic damage taken, and the bruxa regains hit points equal to that amount. The reduction lasts until the target finishes a long rest. The target dies if this effect reduces its hit point maximum to 0.
The bruxa can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature’s turn. The bruxa regains spent legendary actions at the start of its turn.
Move. The bruxa moves up to its speed without provoking opportunity attacks.
Unarmed Strike. The bruxa makes one unarmed strike.
Change Shape. The bruxa changes into one of its other forms.
Bite (Costs 2 Actions). The bruxa makes one bite attack.