Quote Originally Posted by Unregistered View Post
yup they will delete your unused event items,
i got other question, eidolon in my current team, is the one that my friends could use?
Your friends could use any eidolon from your teams that are in main slot. If you have 6 teams with 6 different element eidolons in main slots, they can use all of them. (Now the maximum amount is even 7 with phantom element)