There is one additional pre-boss node (J) that is not difficult to clear. If you are having difficulty passing, Vanguard formation may be useful. The boss node (K) is not particularly hard to clear either, particularly with historical bonus ships. | There is one additional pre-boss node (J) that is not difficult to clear. If you are having difficulty passing, Vanguard formation may be useful. The boss node (K) is not particularly hard to clear either, particularly with historical bonus ships. |