Audio Engineer

You can craft customized instruments to enhance your performances. You gain the following benefits:

• Your Intelligence or Charisma score increases by 1, to a maximum of 20.
• You may prepare bard spells you know as spell inventions. Doing so does not prevent you from casting such spells using spell slots. You may not prepare or cast a bard spell above your artificer spell level maximum this way. Artificer is your spellcasting class for such spell inventions.
• Choose a spell from the bard spell list that is of a level you can cast both as a bard and an artificer. It does not need to be one you already know. You may prepare one additional spell invention utilizing the chosen spell. You are not able to cast the spell if you do not otherwise know it or have it prepared. You can choose a different spell each time you take a level in the artificer or bard classes.
• You may use a spell invention as a spell focus for your bard spells, and you may use art specialties with artificer spells. Whenever you prepare a spell invention, you may choose to create it as a musical instrument with which you are proficient.