The great rsis approached Dhruva Maharaja at a time when his mind was very perplexed due to the magical feats exhibited by the Yaksas. A devotee is always protected by the Supreme Personality of Godhead. By His inspiration only, the sages came to encourage Dhruva Maharaja and assure him that there was no danger because he was a soul fully surrendered to the Supreme Lord. By the grace of the Lord, if a devotee, at the time of death, can simply chant His holy nameHare Krsna, Hare Krsna, Krsna Krsna, Hare Hare/ Hare Rama, Hare Rama, Rama Rama, Hare Haresimply by chanting this maha-mantra, he immediately surpasses the great ocean of the material sky and enters the spiritual sky. He never has to come back for repetition of birth and death. Simply by chanting the holy name of the Lord, one can surpass the ocean of death, so Dhruva Maharaja was certainly able to surpass the illusory magical feats of the Yaksas, which for the time being disturbed his mind.