W.I.T.C.H. Omnibus 2 is the second volume of 15th anniversary book which collects the last six issues from Arc 1: The Twelve Portals of the comics. It was published by Panini Comics on 20th April 2016. It also contained some pages of extra content.
- Issue 007: One Day You'll Meet Him
- Issue 008: The Black Roses of Meridian
- Issue 009: The Four Dragons
- Issue 010: A Bridge Between Two Worlds
- Issue 011: The Crown of Light
- Issue 012: The Challenge of Phobos