Complex sentence: These afflictions have led to the creation of a "Death Company" within the Blood Angels and their successor chapters, watched constantly by Sanguinary Priests and reluctantly used as suicidal shock troops.
Split into simpler sentences: These afflictions have led to the creation of a "Death Company" within the Blood Angels and their successor chapters. Composed of those who have fallen to one of the two flaws, each are watched constantly by Sanguinary Priests and reluctantly used as suicidal shock troops.