Glasya, Hell's criminal mastermind, grants her tiefiings magic that is useful for committing heists.
Ability Score Increase. Your Dexterity score increases by 1.
Legacy of Malbolge. You know the Minor Illusion cantrip. Once you reach 3rd level, you can cast the Disguise Self spell once as a 2nd-level spell. Once you reach 5th level, you can also cast the Invisibility spell once as a 2nd-level spell. You must finish a long rest to cast these spells again with this trait. Charisma is your spellcasting ability for these spells.