As the 10,000 year period of the Golden Age within Kali-yuga comes to a close, the lower modes of material nature will become so strong that people will lose interest in spiritual topics. Everyone will become godless. The devotees, bhaktas, and sages that are left on the planet by this time will be so unique in character, and peculiar compared with the rest of society, that they will be ridiculed and hunted down in the cities for sport like animals (as it happened to Osho Rajneesh in Greece, Oregon and many other such cases). Thus, they will flee the cities to live underground in caves (this is metaphoric, meaning solitude such as that one of Ramana Maharshi and so forth) or high up in the mountains, or simply disengage from the earthly plane of existence. They will even leave the once pious land of India, as explained in the Kalki Purana, wherein Vishnuyasha said: “At present, the pious Brahmanas have left this country (India), having been chastised by the powerful Kali, who is envious of saintly persons, and who destroys the practice of religious principles.”
In this way, genuine saintly or spiritually advanced persons will disappear from the face of the earth. That is the time when the dark influence of the age of Kali will become so dominant, unleashing all of its influence, that all of the prophecies, as described differently in all world scriptures, will manifest without hindrance —as have already happened in this day and age (2018).
Things will become so bad as the years go by that this world will be like one of the hellish planets in which people are born to suffer. There will be corruption in government and police, and they will be no better, worse in fact, than common criminals. Common citizens will have no protection. They will be subjected to the worst of crimes with no solution. Everyone will be fighting with each other. The world will slide into a state of constant war and chaos. Finally, after 2,500 years from the beginning of the age of Kali, Lord Kalki will appear as the tenth avatara of God, the immediate previous one being Lord Buddha Gautama.
—Adapted from Kalki Purana