- KO Drizzy Dray
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- Noble Member
You get them once the timer ends. You can either leave them in your queue or click "Turn in" when you complete them, then wait until they officially end. That's why I always set mine for 3 hours and make them really small tasks (100 kills) so that I can click turn-in as many times as possible in the time I play and not risk wasting time not getting a challenge completed.