Füge unter PAC ein neues, leeres Script ein, und kopiere folgenden Code rein:
Code: 
######
# PAC - HP Bar Addon
# Author: Linkey D. T.
# Date: 08.03.2018
######
class Scene_Menu < Scene_MenuBase
  alias ldt_create_command_window create_command_window
  def create_command_window(*args)
    ldt_create_command_window(*args)
    create_hp_bar_window
  end
      

  def create_hp_bar_window
    @hp_bar_window = LDT_Window_HPBar.new(@command_window.width,0,@command_window.height)
  end
  
  def update_hp_bar_window
    thp = $game_actors[1].hp
    thp_max = $game_actors[1].mhp
    @hp_bar_window.set_hp(thp,thp_max)
  end
end


####
# HP Bar Window
# Author: Linkey D. T.
# Date: 08.03.2018
####
class LDT_Window_HPBar < Window_Base
  HP_WIDTH = 20
  HP_HEIGHT = 100
  
  BORDER_WIDTH = 4
  BORDER_COLOR = 1
  HP_COLOR = 3
  BACKGROUND_COLOR = 2
  
  def initialize(x,y,th=nil)
    @hp_height = th ? th : HP_HEIGHT
    @hp_height = @hp_height - BORDER_WIDTH*2
    super(x,y,HP_WIDTH+BORDER_WIDTH*2,@hp_height+BORDER_WIDTH*2)
    @hp = 0
    @max_hp = 0
  end
  
  def set_hp(hp,maxhp)
    trefresh = (hp != @hp || maxhp != @max_hp) ? true : false
    @hp = hp + 0.0
    @max_hp = maxhp + 0.0
    refresh if(trefresh)
  end
  
  def refresh
    contents.clear
    th = (@hp / @max_hp * @hp_height).to_i
    ty2 = @hp_height - th
    contents.fill_rect(BORDER_WIDTH, BORDER_WIDTH, HP_WIDTH, @hp_height, text_color(BACKGROUND_COLOR))
    contents.fill_rect(BORDER_WIDTH, BORDER_WIDTH + ty2, HP_WIDTH, th, text_color(HP_COLOR))
  end
  
  def standard_padding
    return 0
  end
end