The five youths that Gu Xin Yan invited were the five most powerful people from the five different palaces and they were also the leaders of the disciples from the individual palaces within the Cloudy Brook Academy's freshmen batch.
To capture a bandit you must first target the leader. That was a logic that Gu Xin Yan was aware of. Only by resolving their enmity against the Blood Fiend Palace would she be able to make the five palaces stop their attacks.
Besides Qiao Chu and the others, Gu Xin Yan had also invited Jun Wu to come. Because of the things that were happening to the Blood Fiend Palace, the two of them had not met to test out Spirit Reinforcement for quite a time. Gu Xin Yan had invited Jun Wu to come where she would then seek for a sort of reconciliation between the parties.
