Oversized Weapon Proficiency

You have practiced extensively with the use of weapons built for creatures one size larger then you, gaining the following benefits:

-Increase your strength or constitution score by 1, to a maximum of 20

-While armed with an oversized melee weapon intended for a creature one sized larger then you, you can use your action to make a single melee attack, ignoring the disadvantage that would normally imposed by using an oversized weapon.