Tempest enhancements

(info on enhancement tree here)

Tier One
Requires: Ranger level 1

Tier Two
Requires: Ranger level 2 Requires: 5 points spent in tree

Tier Three
Requires: Ranger level 3, 10 Points Spent in Tree

Tier Four
Requires: Ranger level 4, 20 Points spent in tree

Tier Five
Requires: Ranger level 5, 40 Points spent in tree