Text 26] The Killing of the Demon Trṇāvarta
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forceful whirlwind;  haran —and had thus taken away;  kṛṣṇam —Kṛṣṇa, the Supreme Personality of Godhead;  nabhaḥ-gataḥ —went up to the top of the sky;  gantum —to go further;  na aśaknot —was not able;  bhūri-bhāra-bhṛt —because Kṛṣṇa then became more powerful and heavy than the demon.
TRANSLATION
Having assumed the form of a forceful whirlwind, the demon Trṇāvarta took Kṛṣṇa very high in the sky, but when Kṛṣṇa became heavier than the demon, the demon had to stop his force and could go no further.
PURPORT
Here is a competition in yogic power between Kṛṣṇa and Trṇāvartāsura. By practicing mystic  yoga ,  asuras  generally attain some perfection in the eight  siddhis , or perfections, namely  aṇimā ,  laghimā ,  mahimā ,  prāpti ,  prākāmya ,  īśitva ,  vaśitva  and  kāmāvasāyitā . But although a demon may acquire such powers to a very limited extent, he cannot compete with the mystic power of Kṛṣṇa, for Kṛṣṇa is Yogeśvara, the source of all mystic power ( yatra yogeśvaro hariḥ ). No one can compete with Kṛṣṇa. Sometimes, of course, having acquired a fragmental portion of Kṛṣṇa's mystic power,  asuras  demonstrate their power to the foolish public and assert themselves to be God, not knowing that God is the supreme Yogeśvara. Here also we see that Trṇāvarta assumed the  mahimā-siddhi  and took Kṛṣṇa away as if Kṛṣṇa were an ordinary child. But Kṛṣṇa also became a mystic  mahimā-siddha . When mother Yaśodā was carrying Him, He became so heavy that His mother, who was usually accustomed to carrying Him, could not bear Him and had to place Him down on the ground. Thus Trṇāvarta had been able to take Kṛṣṇa away in the presence of mother Yaśodā. But when Kṛṣṇa, high in the sky, assumed the  mahimā-siddhi , the demon, unable to go further, was obliged to stop his force and come down according to Kṛṣṇa's desire. One should not, therefore, compete with Kṛṣṇa's mystic power.
Devotees automatically have all mystic power, but they do not like to compete with Kṛṣṇa. Instead, they fully surrender to Kṛṣṇa, and their yogic power is demonstrated by Kṛṣṇa's mercy. Devotees can show mystic  yoga  so powerful that a demon could not even dream of it, but they never try to demonstrate it for their personal sense gratification.