Complex sentence: Sydney finds out from one of the witches that the oldest witch in their region, named Inez, has had a history with personally fighting Strigoi claiming it was because her blood tasted bad to them.
Split into simpler sentences: Sydney finds out from one of the witches that the oldest witch in their region, Inez, has had a history with personally fighting Strigoi. Inez claims it was because her blood tasted bad to them.