If the black iron sword Wei Wuxian obtained on Muxi Mountain was the magic sword that sealed Nightshade, Nightshade broke the sword after Wei Wuxian was thrown into the mass grave. Wei Wuxian and Nightshade supported each other and redeemed each other in the mass grave.
Main CP Wang Xian
Deputy CP Lan Xichen Nightshade
# (please don't enter if you mind)
Intention: Perfection