A Prophecy speaks of a future incarnation, Lord Kalki, of Lord Krishna who will appear in about 400,000 years from now to end the age of Kali-Yuga and re-reestablishing Satya-Yuga;
(Lord Kalki's horde marches)
When Lord Kalki appears, people will be in the mode of ignorance, so he does not come to teach or preach but to simply chastise, punish and cleanse the planet! He will mount on his swift white horse, Devadataa, leading his armies to travel far and wide to eradicate and destroy the ignorant and the blinded ones