After calming down for a bit, Rain had the idea of creating a magic circle that would drain the mana in the area, that would free everyone eventually. Rain didn't have any use for that mana yet, so he made the circle only to absorb the mana inside, but along the way, he had the idea to use the mana as well to heal everyone inside and then he expanded it.
Little by little, Rain was able to start to sense the presence of those around him, so he worked hard to free his family first since he also had to check things on the second group. In that sense, the ominous sword helped him a lot… it didn't take long for him to finally be able to see Terra, Danny and Annie… They looked fine since their healing skills were unrivaled. However, they were still unconscious.
