The Demon Hunter class achievement Right Where I Want You requires you to "Keep a boss snared using Caltrops for 40 consecutive seconds." Since The Butcher, Belial, Azmodan, and Diablo are all act ...
The Demon Hunter class achievement The Madness Contained requires you to "Spend 150 Hatred and 50 Discipline in 6 seconds." Using the Vengeance passive ability, it's simple enough to get 150 Hatred ...
The "But You Can't Hide" achievement requires that you kill 100 enemies while they are running away. How can I make enemies flee in order to get the achievement?