In ecstatic love for Krsna in dread, there are two causes of fear: either Krsna Himself or some dreadful situation for Krsna. When a devotee feels himself to be an offender at Krsna's lotus feet, at that time Krsna Himself becomes the objective of dreadful ecstatic love. And when out of ecstatic love friends and well-wishers of Krsna apprehend some danger for Him, that situation becomes the object of their dread.
When Rksaraj was in front of Krsna fighting and suddenly realized that Krsna is the Supreme Personality of Godhead, Krsna addressed him thus: "My dear Rksaraj, why is your face so dry? Please do not feel threatened by Me. There is no need for your heart to tremble like this. Please calm yourself down. I have no anger toward you. You can, however, become as angry as you like with Me-to expand your service in fighting with Me and to increase My sporting attitude." In this dreadful situation in ecstatic love for Krsna, Krsna Himself is the object of dread.
There is another instance of a dreadful situation with Krsna as the object as follows: After being sufficiently chastised by child Krsna in the Yamuna River, the Kaliya snake began to address the Lord, "O killer of the Mura demon, I have acquired many mystic powers by my austerity and penances, but before You I am nothing, I am most insignificant. Therefore, please be kind upon a poor soul like me, and don't be angry with me. I did not know Your actual position, and out of ignorance I have committed such horrible offenses. Please save me. I am a most unfortunate, foolish creature. Please be merciful to me." This is another instance of the ecstasy of dread in devotional service.
When the Kesi demon was causing disturbance in Vrndavana by assuming a large horse's body that was so big that he could jump over the trees, Mother Yasoda told her husband, Nanda Maharaj, "Our child is very restless, so we had better keep Him locked up within the house. I have been very worried about the recent disturbances of the Kesi demon, who has been assuming the form of a giant horse." When it was learned that the demon was entering Gokula in an angry mood, Mother Yasoda became so anxious to protect her child that her face dried up and there were tears in her eyes. These are some of the signs of the ecstasy of dread in devotional service, caused by seeing and hearing something that is dangerous to Krsna.
After the Putana witch had been killed, some friends of Mother Yasoda inquired from her about the incident. Mother Yasoda at once requested her friends, "Please stop! Please stop! Don't bring up the incident of Putana. I become distressed just by remembering this incident. The Putana witch came to devour my son, and she deceived me into letting her take the child on her lap. After that, she died and made a tumultuous sound with her gigantic body."
In the ecstasy of devotional service in dread, the unconstitutional symptoms are drying up of the mouth, exuberance, glancing towards the backside, concealing oneself, bewilderment, searching after the endangered lovable object and crying very loudly. Some other unconstitutional symptoms are illusion, forgetfulness, and expectation of danger. In all such circumstances the ecstatic dread is the steady or constant factor. Such dreadfulness is caused either by offenses committed or by dreadful circumstances. Offenses can be committed in varieties of ways, and the dread is felt by the person who has committed the offense. When dread is caused by a fearful object, this fearful object is generally a person who is fearsome in his features, nature and influence. An example of an object which caused ecstatic dread is the Putana witch. Dread may be caused by mischievous demonic characters, such as King Kamsa, and it can be caused by great powerful demigods, such as Indra or Sankara.
Demons like Kamsa feared Krsna, but their feelings cannot be described as ecstatic dread in devotional service.
Link to this page: https://prabhupadabooks.com/nod/48/dread