Talk:Scroll/@comment-31114726-20170320174627/@comment-27575896-20170320174845

Scrolls do stack when you equip them. For instance, if you have 3 AMnesiac scrolls and equip it, use one, you will still be able to use the others.

For your question, no. Having more than one scroll at a time does not increase the percent chance of getting the role on the scroll.