Need help in creating a hero alike Lone Druid

[Flighty]

Im currently attempting to make an RPG map, which will contain many different heros to select from. I've wanted to try use a similar hero choice alike Lone Druid from dota (Tho with Cat form and Bear forms). I have been capable in creating the forms and getting them to transform back and forth, the only problem is that - the skills that are currently known to the druid (normal form) carry on to the other two forms when u transform to each. How can I get to have seperate abilites that are differnt on each form?

Any tips or ways to go about working this out would be most appreciated

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Fighty

P.S. It may be obvious that im some what creating a version of the world of warcraft druid in Wc3 to some ppl, if that helps