Rating Game: Team Gremory vs Team Riser

Summary
The battle between Riser Phenex and Rias begins, and Rias orders Akeno, Yuuto, and Koneko to place traps in preparation for Riser's assault. Issei and Koneko then heads to the gymnasium as they are confronted by four of Riser's servant, his Rook, Xuelan, and Pawns, Mira, Ile and Nel. Koneko battles Xuelan while Issei battles the remaining three Pawns. Issei manages in his task of immobilizing his opponents after revealing his new move, Dress Break, which strips the girls off their clothes. Koneko also successfully immobilizes Xuelan as the two leave the gymnasium to allow Akeno to deal the finishing blow to the defeated four. Meanwhile Kiba confronts another three of Riser's Pawn who were on their way to Rias' headquarters. As Koneko and Issei decides to move on to the next phase of their plan, Koneko is suddenly taken out by a surprise attack from Riser's Queen, Yubelluna. Issei then challenges Yubelluna in an attempt to avenge Koneko but was stopped by Akeno who proceeds to fight Yubelluna in his place.

Issei then regroups with Yuuto as Rias was forced to revise her strategy due to Akeno fighting Yubelluna, deciding to face Riser herself despite Issei and Yuuto's objections. With no options left, both men proceed to challenge the remaining members of Riser's peerage - Ravel, Riser's sister and Bishop, Karlamine, Riser's Knight, Isabela, Riser's Rook, Siris, Riser's other Knight, and Ni and Li, Riser's twin Pawns. Yuuto then fights Karlamine while Issei fights Isabela, defeating Isabela after using Dress Break to disable her movements and defeating her with his Dragon Shot.

Issei hoping to be more useful to Rias allowed the Boosted Gear to further evolve into the Boosted Gear Gift as he transfers the boosted power to Yuuto's Sword Birth allowing them to successfully defeat Riser's remaining pieces aside from Ravel.

The victory, however, was short-lived due to a unexpected announcement of Akeno's defeat and Yuuto's sudden elimination by Yubelluna. Ignoring Ravel's warning, Issei goes to the enemy headquarters and promotes into Queen and heads to the rooftop to assist Rias and Asia.

Issei, however, was incapable of doing anything as his body had reached its limit due to the burden of the boosted power that was continuously being placed upon his body, and was nearly beaten to death by Riser. The Rating Game ends with Rias being forced to resign, confirming Riser's victory.

Gym

 * Issei vs Ile, Nel, and Mira
 * Koneko vs Xuelan

Outside of Gym

 * Akeno vs Xuelan, Ile, Nel, and Mira


 * Yubelluna vs Koneko


 * Yubelluna vs Akeno

Forest

 * Yuuto vs Shuriya, Bürent, Marion


 * Yuuto vs Karlamine


 * Issei vs Siris, Mihae, Siris, Isabela, Ni, Li, and Ravel


 * Issei and Yuuto vs Karlamine, Mihae, Siris, Isabela, Ni Li, and Ravel

On top of the roof

 * Asia and Rias vs Riser


 * Issei vs Riser

Gym

 * Issei vs Ile, Nel, and Mira (Undecided)
 * Koneko vs Xuelan (Undecided)


 * Akeno vs Ile Nel Xuelan and Mira (Winner: Akeno)

Outside of Gym

 * Yubelluna vs Koneko (Winner: Koneko)


 * Yubelluna vs Akeno (Winner: Yublluna)

Forest

 * Yuuto vs Shuriya, Bürent, Marion (Winner: Yuuto)


 * Yuuto vs Karlamine (Interrupted)


 * Issei vs Siris, Mihae, Siris, Isabela, Ni, Li, and Ravel (Interrupted)


 * Issei and Yuuto vs Karlamine, Mihae, Siris, Isabela, Ni Li, and Ravel (Winner: Issei and Yuuto)

On top of the roof

 * Asia and Rias vs Riser (Interrupted)


 * Issei vs Riser (Winner: Riser)