Warpriest enhancements

Tier One
Requires Smite Foe, Cleric level 1

Tier Two
Requires Cleric Level 2, 5 APs spent in tree

Tier Three
Requires Cleric Level 3, 10 APs spent on tree

Tier Four
Requires Cleric or Favored Level 4, 20 APs spent on tree

Tier Five
Requires Cleric Level 5, Character Level 12, 30 APs spent in tree