Kensei enhancements

(info on enhancement tree here)

Tier One
Requires: Fighter level 1

Tier Two
Requires: Fighter level 2, and 5 points spent in tree.

Tier Three
Requires: Fighter level 3, and 10 points spent in tree.

Tier Four
Requires: Fighter level 4, and 20 points spent in tree.

Tier Five
Requires: Fighter level 5, and 40 points spent in tree.