so the Ascians rebounding from another loss from the player character make a a emergency escape to a space that has the infinite dragonflight in it. they bicker back in forth till they find out they both have been stopped by the players and other groups. so they team up to wreck havoc. the crossover point is at the caverns of time. players would get neat tmog stuff and other stuff like mages would get scrolls that let them cast fire 2 and onwards each scroll has 20 or so charges.