Crook's Cunning

Through thorough observation, practice or teaching, you've managed to obtain the skills of a true crook, gaining the following benefits:

• Increase your Dexterity or Charisma score by 1, to a maximum of 20.
• You learn how to read, speak and write Thieves' Cant.
• You gain proficiency with Thieves' tools.
• Whenever you fail an ability check, you can choose to roll a d6 and add the result to the roll, potentially turning it into a success. You can use this feature a number of times equal to your proficiency bonus per long rest.