Complex sentence: Given a promise of three steps of land by King Mahabali against the warning given by his Guru Sukracharya, Vamana, The Supreme God grows so huge that he could step from heaven to earth, and earth to the lower worlds in two simple steps.
Split into simpler sentences: Given a promise of three steps of land by King Mahabali against the warning given by his Guru Sukracharya, Vamana, The Supreme God enlarged himself to such dimensions as to stride over the three worlds. He had grown so huge that he could step from heaven to earth, and earth to the lower worlds in two simple steps.