Const
  Manarune_ID = 3182
  MinMana = 2500
  MaxMana = 3030

while not terminated do
begin
  UpdateWorld;
  if Self.Mana <= MinMana then
  while Self.Mana < MaxMana do  
  begin
    if terminated then break;
    self.containers.useitemwithself(ManaRune_ID);
    sleep(200);
    UpdateWorld;
  end;
  sleep(200);
end;