This arc takes place after the events of the Arrancar War with Aizen. 15 years after the event. Due to the captains and the lieutenants performances the captains were promoted to the Zero Division. The new captains are listed here. Most of the new captains recieved several trials from their predecessors such as defeating an opponent on a time limit, or several captains at once. The new Captains of the Gotei 13 are listed here. Also due to the orders of former Commander General Yammamoto the lieutenants have been sent on dangerous missions that will take long periods of time to complete. Due to that order they have been releaved of being lieutenants of their respective squads but were promised posistions in the Zero Division upon their return.
The next arc is the Second Coming of Aizen Arc.