Is retribution paladin worth in pve?
Yes. Expect having half DPS of your best dps character tho.
Also don't trust any guides or videos about ret DPS from other servers, since both on F and N they have bugged coefficients and spamming consecration rank 1 is a viable DPS strategy. On Kronos, it is not.
This is a pretty accurate video about how your DPS would look like:
https://www.youtube.com/watch?v=VEs9coe5XRg
The main reason for paladins in the raid are the buffs and dispels. Wisdom helps to clear faster and is a tremendous help in prolonged fights, Kings does the same as well as improving the effectiveness of your whole raid, Might improves the DPS of all your melee classes and when your teammates hit the aggro cap, Salvation improves DPS of the whole raid aswell.
After that, it comes down to your guild composition. If your guild has enough healers for the raid, you want to bring more DPS and vice versa.
Paladin class is so versatile that you can simply pop into your healing gear while
DPS specced and still heal quite well if the need arises. That way you can heal where it's needed or melee-unfriendly fight and deal damage on the rest.
It's because paladin talents that are really required for healing are at the top half of your talent tree, while Priest, Druid or Shaman talents that improve healing are at the bottom or spread throughout the whole tree. The only thing your talents really give you is:
- pushback immunity
- increased crit chance for heals
- 12% increased healing amount, which translates to avg. 43 raw healing per Flash of Light or 158 raw healing per Holy Light (201 /w AQ book)
- mana return through illumination (free heals)
The increased crit chance is marginal, the healing talent can be included into your DPS spec (see link above) and mana return can be mitigated by consumables.
Compared to Esotarius' talents in the video, the spec I posted sacrifices points from Repentance + Improved Seal of the Crusader, because Repe is a PvP talent and ISotC gives only 21 bonus holy damage on your target, which adds mere +5 damage to your Seal of Command procs and +11 damage to your Judgements (numbers include Vengeance proc active). So, speccing like this you can deal damage and if you fill one of your bags with healing gear, simply change equipment to heal-on-demand.
Is retribution paladin worth in pvp?
Yes. Paladins have great support capabilities even when ret specced. In my opinion, it makes a much better choice to crit something for 1k with your twohander rather than running around with a 1-hand healing weapon when you're unable to heal due to interrupts and silences coming your way, and believe me, Kronos hordies make sure you get CCed a lot. When properly equipped, paladins can deal great burst damage while still being able to heal. Sadly, the burst is RNG-based, therefore unreliable. If you can keep that in mind, Paladins are pretty good in 1v1 and they excel at supporting in teamfights.
The Zalgradis video shows nicely how you should abuse paladin's survivability and how properly timing your healing is important, but his build was an old protection one (Zalgradis videos are patch 1.8.), therefore for Retribution can I recommend watching either Timangi
https://www.youtube.com/watch?v=peIxTVTdHNs (Grand Marshal gear) or Chipman
https://www.youtube.com/watch?v=u2ypkdrgiZA (blue gear) or Orrim
https://www.youtube.com/watch?v=8-xfuk7VxyQ (both epics and blues, first 7 minutes are from patch 1.8 and the rest is post 1.9 patch video)