Vrill secret base in the Himalayas

The Vrill create their first permanent base on Earth  in the Himalayas

The Vrill apparently developed out of a tribe of First Humanity that populated Lemuria (the mega continent of prehistory Earth) Scholars believe the Guardian did not interfere with the Vrill as they were Humans, genetically compatible with Homo Sapiens. In the 6th Millennium BC, Vrill constructs a secret base in the Himalayas.