Ritual Blessing( Player's Handbook II, p. 86)
You call upon the powers of goodness and light to bless your allies. If your religious studies are advanced enough, the rituals you learn allow you to ward against illness or poison, enhance your healing abilities, and protect against evil.
Knowledge (religion) 4 ranks, Good alignment,
You gain access to rituals based on your ranks in Knowledge (religion). Anoint (Knowledge [religion] 4 ranks): You speak a blessing over the recipient of this ritual, anoint him with holy water, and say a short prayer for him. When you cast a cure spell on the recipient, he heals an extra 2 points of damage. Performing this ritual requires 5 minutes of incantation and a vial of holy water. Its effects last for 24 hours. Cleanse (Knowledge [religion] 8 ranks): You sprinkle holy water over the recipient of this ritual and speak a prayer to his health and vigor. The target gains a +2 bonus on saves against disease and poison. Performing this ritual requires 10 minutes of incantation and a vial of holy water. Its effects last for 24 hours. Ward (Knowledge [religion] 13 ranks): You use a special combination of powdered silver and holy water to create a mystical ward that offers protection against demons and devils. The recipient of this ritual gains a +1 bonus on saves against spells and special attacks used by evil outsiders. Performing this ritual requires 10 minutes of work, a vial of holy water, and powdered silver worth 30 gp. Its effects last for 24 hours.