Oversized Weapon Master

You have trained on the art of using oversized weapons in your favor instead of against you:

• You can wield two-handed weapons as one-handed, if you carry no other weapons in your off hand (you can still use a shield without any disadvantage)
• When wielding a versatile weapon, you may use the two-handed damage die, even when wielding it in one hand
• You can wield oversized weapons (up to one size larger) as a two-handed weapon, with disadvantage on the attack roll