Is there supposed to be final rewards for the gladiator special objectives being completed.

I completed the 3 set of objectives. 5x magic. 5x tech. And 5x caped champions. Completed the objective got the reward. Is that it or was there supposed to be a reward unlock for completing em all. The mail looked a bit confusing with wording.
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If you didn't collect them after the completion of each (Mystic, Tech, Caped) you'll have to do some fights again as you have to collect the rewards before progressing and fights don't count unless the task is active. If you did collect them, well, those were the rewards.