Board Thread:Questions and Answers/@comment-28870576-20160702032812/@comment-27345064-20160731225808

Unit > Type

But generally: Anima > Breaker/Guardian > Oracle/Lord

Breaker for damage dealers, Guardian for support roles

It doesn't really matter anyway. After imps, buffs, conversions, spheres, leader skills, SP options and extra skills, the difference is pretty unnoticeable.