Zombie PRO/Basic/Starter v27 - Is Your Vault getting the Update?

Hi I’m really interested in getting this pack but I am unsure if the blueprints will work with the ai I’m using at the moment. (foot sliding and so on) so €115 is a bit to much to splash out if it doesn’t work given epics refund policy (There is none) so I’m thinking of buying the basic pack for €40 and if it doesn’t work well at least I have some nice animations to set up myself. Anyway on to my question. If the pack works perfectly for me and I want to get the pro pack is there any upgrade or discount option as the pro pack includes all the animations of the basic pack?