Talk:Princess Twilight Sparkle - Part 1/@comment-9250155-20131124190829/@comment-26973802-20131124193830

Celestia refused to fight Nightmare Moon at first, she said "Luna, I will not fight you!" Also, Nightmare Moon tried to kill Celestia, saying it was her "only royal duty". She almost did kill her too, and it was only then that Celestia used the Elements on her. And she did wish did didn't have to as well, seeing her description of the Summer Sun Celebration to Twilight.

As for Discord, he didn't know he was going to be turned to stone the first time, he underestimated the power of the Elements. The second time he thought the Mane 6 were still corrupted, but then realized what was about to happen before it did.