Lockhart, the Killer of Hope (Japanese: 絶望のロックハート, Zetsubō no Rokkuhāto) is a Tyrant in Xenoblade Chronicles X. It is a member of the Vivohast family. It can be found at level 52 near Lake Ciel in Sylvalum. It is located in the map segment between FN Site 411 and FN Site 414. Its appearance is rare. Defeating it is required to complete the eponymous basic mission Lockhart, the Killer of Hope and will complete the segment recon for its map hex.