The Power Reaper is one of the best picks for players wanting to be more independent of their party. Due to large amounts of self-produced Vulnerability, Quickness and Might it is good in parties where your teammates do not perform very well.
A useful 1200 range 5 target pull to help stack up golems at the Chaos Anomaly fight or the adds in the Arkk fight. It also provides an extra 150 defiance bar damage. Hits up to five times if you cast it inside a mob with other enemies outside.
A defensive utility to help mitigate conditions on you, as well as apply extra Chill for usage with
A defensive stun break utility.
A useful skill for mitigating projectiles.
Makes your attacks unblockable, great to break the Ooze in Thaumanova Reactor Fractal. It is great to have at Volcanic Boss in Volcanic fractal and Champion Dredge in Underground Facility too.
Swap with if you need a meat shield at the cost of personal DPS (best use in Siren's Reef and Molten Boss fractals). It is your hardest hitting shout, has no cast time so you can go in shroud faster.