@Blaxer
Rachel DPS over 90 seconds w/Skill:
67,860 = 25,380 (Auto-attack) + 42,480 (Skill)
Beatrice DPS over 90 seconds w/Skill:
56,400 = 25,380 (Auto-attack) + 27,560 (Skill)
Beatrice DPS over 90 seconds w/Skill AW:
73,405 = 26,780 (Auto-attack) + 46,625 (Skill AW)
There is also the demerit of Beatrice's Skill and Skill AW to consider (range reduction). Another factor I have not calculated is Beatrice's AW ability (I completely forgot about this so I didn't have time to readjust numbers), which may equalize her DPS with Rachel. I'd say they are pretty much equal until you take range into consideration, wherein Rachel wins and makes her a superior option since her skill won't hinder her use.