The context of the urn and ashes is that Destiny is a pre-cog so left very specific instructions for what was to be done to her body after Legion killed her. That's what the countdown is for, she knew if her ashes were thrown at that moment they would get blown back into Mystique's face after that line having been said.
https://imgchest.com/p/ne7bwdqvm75
The context of the urn and ashes is that Destiny is a pre-cog so left very specific instructions for what was to be done to her body after Legion killed her. That's what the countdown is for, she knew if her ashes were thrown at that moment they would get blown back into Mystique's face after that line having been said.