The expansion added the "Lead and Corruption" story arc, featuring new environments and enemy types centered around the eternal conflict between demons and devils known as the Blood War.
Files from scene groups like FLT are frequently re-packaged by third parties who may include malware, miners, or adware. Always run a thorough virus scan. Dark_Alliance_Echoes_of_the_Blood_War-FLT.part1...
: The "Scene" group (FairLight) that packaged the release. The expansion added the "Lead and Corruption" story