You have practiced extensively with a variety of weapons, gaining the following benefits:

• Increase your Strength or Dexterity score by 1, to a maximum of 20.
• You gain proficiency with simple and martial weapons.
• Once per turn, you can give yourself advantage on a weapon attack. This attack critically hits on a roll of 19-20. You can use this a number of times equal to your proficiency bonus that reset on a long rest.