Complex sentence: In the Mahabharata, Princess Kunti receives instruction for a mantra from the sage Durvasa; by reciting which, she would be able to summon any god and bear a child by him.
Split into simpler sentences: In the Mahabharata, Princess Kunti receives instruction for a mantra from the sage Durvasa. By reciting it, she will be able to summon any god and bear a child by him.