In less than five minutes, fairly attributed to the additional help from the two who found their courage back, the remaining trainees were freed from the snappy hounds.
Only a few of the hyenas were killed because their priority was to rescue. Nonetheless, with additional blades and guns, the difficulty gradually lowered.
By the time the last of the Metadomes was freed, they began their retreat back to the hill.
Irina and Clark took the rear as the former was quite worried for Aldrin while the latter was just there for the sake of protecting his long-time crush.