From wow.incgamers.com

Statistics

Talent Improvements

Holy Tree

Talent: Divine Illumination Talent
Effect: Reduces the mana cost of all spells by 50% for 15 sec.
Statistics: N/A.

Protection Tree

Talent: Stoicism
Effect: Increases your resistance to Stun effects and reduces the chance your spells will be dispelled.
Statistics: Rank 1 = +5% stun resist and +15% dispel resist, Rank 2 = +10% stun resist and +30% dispel resist.

Talent: Sacred Duty
Effect: Increases your total Stamina, reduces the cooldown of your Divine Shield spell and reduces the attack speed penalty.
Statistics:

• Rank 1 = +3% Stamina, -30 sec cooldown and -50% speed penalty.
• Rank 2 = +2% Stamina, -60 sec cooldown and -100% speed penalty.

Retribution Tree

None.

Threat Level

This skill generates Negligible Threat.

Uses in PvP

• Used to shield yourself from danger, and healing yourself or others.
• Used to prevent any type of Damage, Snare or CC, and attacking.

Uses in PvE

• Used to shield yourself from danger, and healing yourself or others.
• Used to loose Aggro if you attract it. Beware that the Threat is still there, only the Aggro switched.

Other Facts

• Using this skill will temporarily drop your Threat with all mobs or bosses to 0, and give Aggro to someone else, if you had it.
• Dispellable only by Mass dispel.