Which one is better for build at all?

[Araab 1]

SET BOSS 1 or SET BOSS 3 and why?

[luanw 3]

a like to know too! 

[TigerShark22 490]

Set boss 3 DNT bsolm ofc.

For 16 points on spirit u gain abs, deff, hp,mp, good regeneration, attack raiting. Try spam cyclone with boss set 3, the mp regeneration and total mp will amaze you, also u will become tankier. In overall it worthes those points