Arrows to use?

[Redspeare]

Hey guys. Im running a lvl 90 pally that is currenty hunting in Drefia necros. My main question is should i go with crystalline or onyx arrows?
I know they are almost x3 in price but the damage difference is like 27 more. What do you think?

[Arrow]

Me \o/

[Trolled1337xx]

Crystalline arrowz ezpez kkkkkkkkkkkkkk

[Redspeare]

Me \o/

Hahaha