Cert skills on subs --> If you don't see all the content, register now / Если вы не видите весь контент, зарегистрируйтесь сейчас

[l2against]

Hi Your previously learned certification skill will remain even if you delete your subclass . You need to delete them with help of Avant-Garde.
All your certs will also appears not only in main class but on all subs you have.