From wow.incgamers.com

Statistics

• This skill requires the Lightwell Talent

Talent Improvements

Discipline Tree

Talent: Inner Focus
Effect: When activated, reduces the Mana cost of your next spell by 100% and increases its critical effect chance by 25% if it is capable of a critical effect.
Statistics: N/A

Talent: Meditation
Effect: Allows a % of your Mana regeneration to continue while casting.
Statistics: Rank 1 = 5%, Rank 2 = 10%, Rank 3 = 15%.

Holy Tree

Talent: Lightwell Talent
Effect: Creates a holy Lightwell. Members of your raid or party can click the Lightwell to restore 801 health over 6 sec. Any damage taken will cancel the effect. Lightwell lasts for 3 min or 5 charges.
Statistics: Rank 2 and above is considered a skill, details of which can be found on the Lightwell Skill page.%.

Talent: Healing Focus Priest
Effect: Gives you a % chance to avoid interruption caused by damage while casting any healing spell.
Statistics: Rank 1 = +35% chance to avoid interruption, Rank 2 = +70% chance to avoid interruption.

Threat Level

This skill causes no amount of Threat.

Uses in PvP

Please feel free to add a bullet list of uses within PvP or editorial if you have more to say. What use is it against other builds, what skills can it be used to counteract or prevent. What skills does it work well in combination with.

Uses in PvE

Please feel free to add a bullet list of uses within PvE or editorial if you have more to say. Which creatures/bosses in particular is it useful against. What skills does it work well in combination with.