During the 13th'- of quest Mahavira obtained the fourth type dhowledge the?

During the 13th year of his spiritual quest, Mahavira attained the fourth type of knowledge known as "Kevala Jnana" or absolute knowledge. This profound understanding allowed him to perceive the true nature of reality, free from any illusions or misconceptions. With this enlightenment, Mahavira became a Tirthankara, or spiritual teacher, in Jainism, guiding others on the path to liberation and truth. His realization marked a pivotal moment in his journey, solidifying his role as a key figure in Jain philosophy.