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In the Padma Purana,
(107) He thought, "Alas, it is a great hardship that my limbs are being forcibly taken away by this old age, which destroys strength and radiance."
(108) My body, which is like a sandalwood tree, will now be burnt by the fire of old age and become like a coal."
(109) The disease, which is like a hole, has been waiting for a long time, and now it will enter my body like a demon."
(110) "Death, who is eager to devour, has been standing like a tiger for a long time, and now he will devour my body."
(111) "Those young men who have reached this land of action and have boarded the boat of vows, will cross the ocean of existence."
(112) Thinking thus, he placed his son, Amritavati, on the throne and went to the pure yogis to take initiation.
(113) Since no inauspiciousness was declared when he was in the womb, he was known as "Nighusha," and he had conquered the whole world with his virtues.
(114) Then, leaving his queen, Singhika, in the city, King Nighusha went to the north to subdue his hostile enemies.
(115) The kings of the south, knowing that Nighusha was far away, came to seize his city of Ayodhya. They were accompanied by a large army.
(116) But the very valiant Queen Singhika defeated them all in battle. She appointed a trustworthy king to protect the city and, with the defeated vassals, went south to conquer the remaining kings. She had worked hard in both weapons and scriptures.
(117) She conquered the hostile vassals with her own prowess and returned to the city, filling the directions with the sound of victory.
(118) When King Nighusha returned after subduing the north, he was very angry, having heard of his wife's valor.