Bonus Doubler 4

If【Bonus】is active on unit or an ally within 2 spaces of unit, grants Atk/Spd/Def/Res+X to unit during combat (X = 4 + highest bonus on each stat between unit and allies within 2 spaces of unit; calculates each stat bonus independently). 

【Bonus】

All effects that last "for 1 turn" or "that turn only." Includes bonuses granted by a skill like Rally or Hone and positive status effects (extra movement or effects like Dominance).