This built worked best for me on higher levels:

Points:
1:2 - Str:Int

Skills:
Shield: 1,2,4,5
Fire: 1,2,3,4
Time: 1,2,4,5
Gale: 1,2,3,5

Passive:
5/5: Knowledge>Durable>Might>Damage (In that order)

Mastery:
Gale 10/10
Time 10/10

I am at Gale 5/10 and Time 4/10 at present.