Haruko unveiling her Maken Murakumo to Demitra and also just why she is called "Tenbi's Strongest Maiden".
Manga: Kodama's speech after Takeru is defeated by Ayaka with a seemingly fatal attack. "Your sins are too heavy. Prepare yourself, Ayaka Koudai. When I am done with you, only your ashes will be left."
Midori literally ripping apart a barrier that even a specialist like Aki couldn't break - with only sheer strength and determination.