Complex sentence: He is considered to be the most famous convert of Chaitanya Mahaprabhu, apart from Rupa Goswami and Sanatana Goswami themselves, and the story of his heroism in the face of torture is told in Chaitanya Charitamrta, "Antya lila".
Split into simpler sentences: He is considered to be the most famous convert of Chaitanya Mahaprabhu, apart from Rupa Goswami and Sanatana Goswami. His story of integrity and unflinching faith in the face of extreme adversity is told in Chaitanya Charitamrta, "Antya lila".