Toxic Shield goes by more than one name in rumor circles, none flattering. Now yanked into a conflict that threatens the lives of both himself and his new friends, Toxic must confront a poison that even he may not be immune to. Or worse, that he is.
After reaching peace between Equestria and Hive changelings, queen Chrysalis takes two high ranks and a small retinue of drones with her on a trip to an island holiday resort.
Celestia has been alive for thousands upon thousands of years, and as a result, has had more than one student who have studied under her. When her long dead students appear in modern day Equestria in their youth, Twilight must discover why.