Is it useful?

Thing is i just got her this morning...still confused how much should i raise her...should i even SkillAW her or not...

I also have Belzetta...and i can judge that Dorothea is WAY more useful than her...
I do lack good range magical dage tho...so she can deal enough damage to be classified as a dps unit right?


Also where is draa's list of blacks...