Broken Antler Fen Curious George

Sebastian shot up from his resting spot when he heard Aduin call out in panic. The young alpha trotted forward. "Aduin!," he called out, unsure where the panicked boy had ran off to now. The large male looked around and let out a bark, that is when he spotted him. Sebastian rushed forward, looking him over with a worried expression. "What is wrong? What happened?," he asked. Sebastian tried to be calm but seeing Aduin so upset and panicked made him a bit scared too. What had happened?