Shinyaku Toaru Majutsu no Index Light Novel Volume 10/Chapter 20

Characters
By order of appearance:
 * Amano Kaguya
 * Ingrid Martin
 * Roberto Katze
 * Lessar
 * Sasha Kreutzev
 * Elizard
 * Krans R. Tsarskiy
 * Pietro Yogdis
 * Maiden of Versailles
 * Kanzaki Kaori
 * Carissa
 * Knight Leader
 * William Orwell
 * Kumokawa Maria
 * Frejya's mother
 * Othinus
 * Kamijou Touma
 * Thor

Unanswered Questions
A Black cat is mentioned to be watching the battle but not explained.