Mastery These AA feats cost mastery points (gained by PvE).
Expertise These AA feats cost both Mastery and Prowess points.
Prowess These AA feats cost prowess points (gained by PvP).
Exceptions:
You can use expertise points instead of mastery or prowess points.
You can train AA feats over time at a rate of 18 hours per point. Time is counted also when offline
Mastery
Improved Soul of Mitra:
Reduces the CD on Soul of Mitra, 24 seconds per rank for a total of 2 minutes reduction fully feated. Nice if you're using blessed soul.
Improved Avert Thine Eyes:
Reduces the CD of Avert Thine Eyes by 2 seconds per rank. Cooldown reduction on your best debuff, always nice to have but not high priority.
Empowered Devotional Prayer:
Increases the Priest's magic damage, 4 magic damage per rank.
Improved Repudiate:
Reduces the CD of Repudiate by 2 seconds per rank for a total of -10 seconds fully feated. Nice for PvP and for fearing trash minions in T2.
Improved Rebuke:
Reduces the CD on Rebuke by 0.5 seconds per rank. Use with the Improved Rebuke feat from vengeance to reduce it's cooldown to 3 seconds. Could be good if rebuke was actually useful.
Shield of Brilliance:
Gives your group 20% damage deflection. The duration increases by one second per rank starting from 6 seconds to 10 seconds fully feated. This spell shares a cooldown with Hand of Mitra, and feating it in vengeance will reduce the cooldown and casting time, and increase its duration. With 5 points and vengeance feats it will last 12.5 seconds. It can also be combined with Blessing of Mitra to give one group member 40% damage deflection. Very nice feat if you're vengeance specced, and still useful for a divinity PoM if you are willing to sacrifice your bubble for the team.
Blessed Soul:
This feat removes the stun effect from Soul of Mitra and replaces it with a 95% snare, and makes your damage spells deal no damage while it's up. Very useful in a lot of situations. You can cast heals, repulse, and CC people while being invulnerable and dealing AoE damage. Investing feat points decreases the snare effect by 10% per rank, but it works fine with one point invested since you can doubletap in any direction for decent movement speed. Great to have for when you are alone with the flag, or on the middle shrine at CoJS.
Shimmering Invocation:
This is a channeled AoE healing spell. It channels for 6.5 seconds ticking every 2 seconds. It has a range of 20 meters and an AoE of 16 meters, the innermost 4 meters recieve 100% healing, the next 4m ring 66% and the outermost 4m ring 33%. The 3 ticks heal for different amounts - starting at 300, 600 and 1500 with 0 heal rating. The conversion of heal rating to heal strength is 2:1/2:1/6:1 so the first two ticks are most affected by it. For example with 1000 heal rating it would heal 800, 1100, 1660.
This is a great feat to have in any type of gameplay, but only if you plan on getting gear with heal rating.
Expertise
Wandering Disciple:
This summons a disciple under the priest's control which increases all group members' spell and weapon damage. Enemies killed in the Area where it's summoned increase this damage bonus. The spell has a huge AoE and lasts for 30 seconds, after 6 foes are killed it gives a 24% spell damage and 40% ranged and melee weapon damage buff. The extra damage is a group buff so you don't have to actually be in the area where the foes are killed. It also spawns a cool looking pet that melees for 50dmg per hit. This is completely useless except for fights like seruha and general cheng where you kill a lot of mobs. Much too static for PvP, even in sieges the damage buff isn't worth it.
Prowess
Empowered Smite:
Increases smite damage by 1% per rank.
Empowered Rebuke:
Increases rebuke damage by 1% per rank.
Empowered Repulse:
Increases repulse damage by 1% per rank.
Improved Condemn:
Reduces the cooldown on Condemn and Inclusion by 4 seconds per rank.
Mitra's Vitality:
Increases the priest's health by 108 health per rank for a total of 540 extra health. Must-have feat.
Inclusion:
Grants the Inclusion spell, this is a stun that shares CD with condemn and stuns the target for 6 seconds. It breaks on damage faster than condemn, investing feat points increases the amount of damage from which it breaks.
Light the Path:
With this feat equipped, every time you crit there's a chance to get the Light the Path buff. When this buff procs the cooldown of eye of judgement is reset, and the casttime of repulse becomes instant for the duration of the buff (25s). It procs when Light of Mitra crits, so for a divinity PoM it will be up very often. Investing points increases the proc chance, it seems to be about 5% per point. Great feat for PvP, and also useful in PvE.
Emmisary of Elysium:
Grants the ally with the lowest health near the priest a damage absorb shield. With 0 heal rating it lasts for 20 seconds and absorbs 2936 damage. If the shield is broken, it jumps to the next ally for the remaining duration. If it's not broken it heals the affected ally for ~1.3k (also at 0 heal rating). This is a really nice feat for minigames and small scale world PvP. It scales with heal rating but not as much as shimmering invocation (absorbs 4436 at 3000 healrating).