Episode 11 (Season 2, NEW)

"The Top Conference Begins!" is the eleventh episode of the second season of the High School DxD anime. It aired September 15, 2013.

Summary
The meeting between the leaders of the Three Factions continues with Azazel asking both Issei and Vali about their opinion for the peace treaty. Issei then asked Michael on why Asia was exiled as he explains the situation of the Heaven as both Asia and Xenovia reveals that they are happy with their current lifestyle. Azazel then comments about his subordinate who killed Asia as Issei gets angry at Azazel until the time is suddenly freezed.

Realizing that Gasper was kidnapped, the meeting was interfered as many Magicians appears and start to attack the meeting. As Rias decides to go rescue Gasper with Issei volunteering to go along. Vali then starts to battle the Magicians outside as he annihilates them with ease. Rias and Issei then transfer to the old school building through castling using Rias' unused Rook piece. Before leaving, Azazel gave Issei two bracelet to control his and Gasper's Sacred Gear. Meanwhile, a new woman, Katarea Leviathan, appears after Issei and Rias left and attack the leaders. Azazel then starts a battle with Katerea after insulting her. Kiba, Xenovia and Irina also volunteers to help in battling the Magicians while Grayfia is analyzing the magic circle used by the Magicians. Issei and Rias then arrives to the room where Gasper and Koneko was held captive as Issei lets Gasper drink his blood allowing Gasper to properly control his powers as Issei uses Dress Break on them. Issei then outs the additional bracelet as the four heads out.

Stats
Original airdate: September 15, 2013

Writer: Tetsuya Yanagisawa

Featured Characters
(Numbers indicate order of appearance. New characters listed in bold.)

Differences between Light Novel and Anime

 * 1) In the Novels, Azazel attacked the Magicians with multiple spears of light while in the Anime, he did nothing at all.
 * 2) In the Novels, Issei took a while before he manage to escape from Gasper's time stopping, while in the Anime, he was able to escape from it immediately.
 * 3) In the Novels, the Mutation Piece was first explained when Gasper was introduced, while in the Anime, it was explained when Khaos Brigade attacked the meeting.
 * 4) In the Novels, Katerea and Azazel left the building to fight (Azazel destroyed a part of building), while in the Anime, Katerea is the one who destroyed the building.
 * 5) In the Novels, Azazel had prior knowledge about Khaos Brigade, while in the Anime, he had no prior knowledge about it.
 * 6) In the Novels, Katerea drank a bottle to boost her power in the middle of fight with Azazel, while in the Anime, she used several snake directly at her body to increase her power.
 * 7) In the Novels, Issei and Rias found captured Gasper wearing cut-off paper bag at his head, while in the Anime, they found captured Gasper wearing nothing at his head.
 * 8) In the Novels, some magicians shot magic bullets toward Issei and Rias after Gasper transformed into several bats, while in the Anime, only one magician shot magic bullet toward Issei and Rias.