Moving characters to Nightfall: How will we do it?

Will they put an NPC like they have in Lion's Arch to take you to Nightfall and will they put one in Cantha as well? Will we be able to take our Ritualists and Assassins there as well?

Im almost positive. All of the Chapters are supposed to be connected so everyone who bought them will be able to enjoy the experience equally.

Probably the same way that Factions and Prophecies did it

Ok cool. I kinda thought it would be that way but wasn't 100% sure. I know each chapter is supposed to be stand alone so I assumed you wouldn't have to complete the chapter in order to move on. I do assume that your character will have to be "ascended" in order to travel.

I think we'll fly on magic carpets.