Advanced Weapon Mastery (Power) V2

Characters at 4th Level in place of gaining new weapons mastery properties you can bolster your mastery to new heights with Advanced Mastery. Choose one weapon to which you have Mastery you can bolster their power depending on which of the three Advanced Mastery trees it is mentioned under in the Adv section of weapon list. A creature with Advanced Mastery with a Power (P) weapon gains the following benefits as long it is equipped. You gain one of the following Advanced Mastery options depending on whether it has the Two Handed (2H), One Handed (1H) or Versatile properties. 

Mastery Bonus: You gain a +1 to attack and damage rolls with the weapon on top of any existancing bonuses or enchantments. This bonus turns to a +2 on attack rolls & +1 on damage rolls against targets who are wielding a weapon from the Advanced Technique Weapon Mastery tree. 

Flow of Body (Versatile / Single Handed Weapon Exclusive) : Whenever you attack a creature with your chosen weapon (that doesn't posses the two-handed property), the weapon you are wielding is held in a single hand and you have no other weapons in your hand and you can double the modifier used for damage for the attack when making attack & damage rolls. Alternatively if the weapon has the Versatile property you can use the damage die given to wielding the weapon with both hands for attacks single handed such as (Battleaxe goes form a 1d8 damage die to a 1d10 because of Flow of Body). 

Area of Control (Two Handed Weapon Exclusive): Once per turn, you can replace on of your attacks with a enveloping strike by your weapon forcing all creatures within a 10ft emanation of you must succeed on a Dexterity saving throw (Strength modifier + profinecy bonus  + 8) or take damage equal to one roll of the chosen weapons damage not adding any modifier to the total unless it is negative. Any creatures who fail the save by 5 or more instead take damage equal to two rolls of the weapon + the weapon modifier.