For a Ret pally the simple rotation is
Crusader's Strike until 3 Holy Power then;
- 1 If Inquistion not up, cast Inquisition
- 2 If Inquistion up, Zeoltry
- 3 If Zelotry and Inquistion is up, Templar's Verdict.
For more than two adds use Holy Storm (AoE) instead of Crusader's. If something starts flashing hit it. End level Retribution starts to become like whack-a-mole. Pop wings when you feel like it and cast Consecration at the start if it looks like it'll last longer than 15 seconds.
This may or may not be the best but it'll serve ya lovely