Mimicry

You are great at making various types of noises with your mouth, you gain the following benefits:

• Increase your charisma score by 1, to a maximum of 20
• You can mimic simple sounds it has heard, such as a person whispering, a baby crying, or an animal chittering. A creature that hears the sounds can tell they are imitations with a successful Wisdom (Insight) check against your charisma (deception) check
• You have an advantage on dexterity (stealth) checks when trying cast vocal component of spells in stealth
• You can fuse the vocal component of the spells in your sentences