later on, fireheart realizes thunderclan territory is on fire, and he warns the clan. his early warning meant that most of the clan could escape in time. however, yellowfang, an old friend of fireheart's, and several old cats die in the fire. thunderclan takes shelter in riverclan territory for a while, before returning to their own territory, to find it burnt and ruined. a few days later, fireheart takes thunderclan to a gathering (a night when all four clans meet to share news) and discovers that his old enemy, tigerclaw is now the leader of shadowclan.