Vanguard enhancements

Tier One
Requires Fighter or Paladin level 1, 1 AP spent in tree

Tier Two
Requires Fighter or Paladin level 2, 5 APs spent in tree

Tier Three
Requires Fighter or Paladin level 3, 10 APs spent in tree

Tier Four
Requires Fighter or Paladin level 4, 20 APs spent in tree

Tier Five
Requires Character level 12, Fighter or Paladin level 5, 30 APs spent in tree