Vengeance Demon Hunter is a solid tank that provides a nice amount of damage (some of which,
Chaos Brand, won’t show up on Details as theirs). They also have some unique tools for dealing with pulls in
Sigil of Silence and
Sigil of Chains, which make a few pulls much easier for groups with Vengeance Demon Hunters than for those without. Their set bonuses
Burning Hunger &
Rapacious Hunger work well in Mythic Plus and provide a much shorter average cooldown on
Fel Devastation this patch than last, which makes them much tankier on average. The spec is in B Tier because they are somewhat fragile against heavy sustained incoming physical damage, which becomes an issue as one pushes for Keystone Hero or Encrypted Hero, and they tend to need to overlap their defensives in order to survive, which means they eventually run out of buttons to press and are forced to kite.