Ajay Che, known by her alias Lifeline, is a key character in Apex Legends, a popular battle royale game. She is a combat medic, dedicated to providing aid and support to her teammates during intense combat situations. Lifeline is characterized by her altruistic nature, always prioritizing the well-being of others over herself. Her Healing Drone and Care Package abilities make her an essential support character, offering healing and supplies to her team. Lifeline's backstory reveals her as the child of wealthy war profiteers, choosing a life of helping others instead.