Nature's Protector enhancements

Tier One
Requires Nature's Protector, Druid level 1

Tier Two
Requires Druid Level 2, 5 APs spent on tree

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

Tier Four
Requires Druid Level 4, 20 APs spent on tree

Tier Five
Requires Druid Level 5, 30 APs spent on tree