At last, Ransom perceives why he was sent to Perelandra, although he doesn’t yet know exactly how he’ll achieve that—especially since the
eldila don’t occupy the same role here as they did on Malacandra. Malacandra was an older world; on the younger Perelandra—which arose after God’s incarnation as man on earth (what the Lady calls “the great change”)—there are no intermediary beings between reason-possessing creatures and Maleldil. In other words, angelic help won’t be forthcoming.