GW2 "A Star to Guide Us" spoilers
So, the first story step goes to great lengths to point out that Elder Dragons should not be able to travel to the Mists, but Kralkatorrik CAN.
Which means that we probably hecked up BIG TIME by killing Balthazar at the end of Path of Fire. As a human God, he could travel to the Mists, and Kralk – who's already picked up death and plant magic by absorbing the magic released by the other Dragons we've killed – sucked up most of Balth's when he 'sploded.
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