Adding any new system at this point would be a blessing.. Aside from getting beastcoins as you fight, bcnm's are pretty much like primal fight ( in WAY less quantity and difficulty and way lamer un-rare loot) and assuming they did add tokens of some sort to do big fights, they would have to make them really easy to get to make up for the long queue times, or getting people together in general.. People in FFXI were a little more patient