MASTERY-SHADOWLORD MASTERY-SHADOWLORD 1 The shadowlord mastery item is a set of whirling blades, which will hover around the shadowlord on combat, and can be commanded to attack whoever the shadowlord is fighting. This will open up to a new midround attack called whirl, and thus allow for one new combo attack (which the shadowlord must learn on his own). Syntax: mastery