Equestria has to face new threats, much more dangerous than those it had to fight earlier.

Rhobar The Second is struggling with his thoughts and his faith in his private chambers in Vengard...

Shining Armor became somepony else, something else. He became a Green Arrow.

Zephyr Breeze aka. The Spectre fights with threats that were brought with Crisis...

Zephyr Breeze slowly goes insane turning into "Clown prince of crime" Joker