Krishna was to slain Kamsa, who was the demoniac king in the Yadu dynasty. Kamsa knew that Krishna would be the cause of his death and hence to kill Krishna, Kamsa sent many demons. Krishna killed all those demons exhibiting His extraordinary strength. read more
Actually demons who are killed by Krishna are awarded Sayujya liberation i.e, merging into the impersonal brahman effulgence of the Lord. During His kaumara age (0-5 years), Krishna killed Putana, Trinavarta, Aghasura and Bakasura. read more
Once while the boys were engaged in their transcendental pastimes, a great demon of the name Pralambasura entered their company, desiring to kidnap both Balarama and Krishna. So when Pralambasura entered their company, Krishna began to think how to kill the demon, but externally He received him as a friend. read more