Talk:Frontier Gate/@comment-65.75.93.141-20150725102443/@comment-3547897-20150725105945

Being defeated in the middle of the challenge while still Continuing forfeits all the rewards you receive - you do not receive any rewards.

tl;dr - You can only claim rewards if you finish every 5 floors or if you finish all 30 stages. Dying anywhere will make you lose all rewards.