The VK platform (vk.com) is a massive social network popular in Russia and CIS countries. Within its community-driven "fan groups" (groups dedicated to specific authors or books), users frequently share content that is hard to find elsewhere. A "VK exclusive" for a series like Legend often refers to:
Beyond the main novels, Marie Lu penned elusive companion pieces that fans frequently seek out in VK digital archives : legend marie lu vk exclusive
An extended, unedited sequence of the novel's darkest moments that was completely omitted from standard mass-market paperbacks. The VK platform (vk