In Dares of Eternity on normal difficulty you can and will get a score of at least 180,000 with out the lighting round as long as you don't rush in there and kill the boss.
You have to be considerate of others. Some of us are trying to complete a star horse bounty that requires us to finish the match with a score of at least 160,000 or 180,000 and we don't like having to do the bounty all over again simply because a few people are in such a hurry to kill the boss.
So the next time you play don't finish the boss off unless the score is at least 180,000.
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There is a cheese. If you fail to complete the multi stage bounty in one round then you can save your progress and prevent the bounty restoring to 0%. At the end of DoE, when the end timer counts down, if you haven’t completed said bounty then change your character via the options screen. Let the new character load into orbit and then change character back to your original one the same way. Your bounty progress should be saved and allow you to continue with a new run of DoE. Disclaimer: I haven’t played for a while so may be patched.