Can Hybrids do combines for cultural instructions?

[Eggborn]

I can do the quests. I can hold a holepoker. Can I do the combines as a shadowknight yet? I see it listed as pure caster classes only.

http://www.eqtraders.com/items/show_...r=035000000000 for example

[Kaliaila]

No only Int Casters can.