The reward of all attributes + 5 was no doubt absolutely incredible for anyone who was a Growth Hunter or higher. It was equivalent to at least 50 free attribute points.
Unfortunately, Party Ace had utilised the power of storyline characters to ward off the enemies. Otherwise, they could have achieved the maximum completion rate, and the reward for that might have been all attributes + 7, or even + 10.
However, though every move Sheyan made may seem bold, he had in fact thoroughly and meticulously evaluated the risks in his mind.
By his judgment, Party Ace must rely on the power of storyline characters to have enough strength to go up against Rocky. Otherwise, no matter how lucky they were or how much advantage they had, it would still be courting death.