So, bit of a weird one, but I've beaten the story on a couple of alts, and each time I've noticed some weirdness when I go back to my main character. I get a little 'task available' speech bubble appearing in central city, but it's in a weird place that seems to imply the character with a quest is beneath the floor somehow.

Then, when I take my main character, the one who first cleared that 'find all the boxes' quest into the command center, she can suddenly accept the red box task again, for another immediate 50k exp because I've already found all the boxes.

I don't think the alt who actually beat the story can do the quest, which probably isn't a bug because it does say it's once per account, but it's weird that the person who originally beat it gets to repeatedly get free exp.