according to nostradamus prophecies kalki is the chyren who will be king of whole world. he establish rightness in earth after defeating the whole world. he will punish bad people without mercy. it is said that he will be ruthless to cruel people. kalki will establish a golden age within the kali yuga, before becoming king of the world. it is said that krishna told arjuna on the battlefield that right after his death, there will be the beginning of the kali yuga. he says 5000 years after his death (6000 b.c.) will come a golden age within the kali yuga. after the kali yuga golden age which will last approximately 10,000 years, he will establish the real satya yuga by defeating kali (demon) who is also known as the prince of evil in vedic scriptures.