She was a Direct Torment not a Gift! (youjo senki)(saga of Tanya the evil)

The entity had to do something less explosive and violent in the war for once to get Tanya to finally have faith in him... Still Tanya was a persistent one, might also be one of the reasons why she was also titled the devil of the rhine herself... Just one day Being X knew the right gift for Tanya to receive from him...