The possibility to create masters for elements you want to re-use so you don't have to re-create the duplicates if you have to modify the original one. Dynamic panel are a great way to create animated elements that can change of state when mousing over for example. the possibility to share the wireframes. the possibility to export blueprints through Word

Axure is a robust prototype software, with advanced interactions, responsive and sharing features.

I'm all about rapid prototyping. I appreciate the robustness of the tool. I also like their adaptive/responsive prototyping feature. I