YEM~ Lunatic States ~ Reverse

      #----------------------------------------------------------------------
      # <react effect: reverse>
      # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
      # This causes the battler to have normal HP damage effect MP, and vice
      # versa.
      #----------------------------------------------------------------------
      when "REVERSE"
        @hp_damage = @mp_damage
        @mp_damage = @hp_damage