If you have finished konquest look where the last komidogu is located, in the middle of the table where all of the other komidogu's go. Now if you look down on the floor you will see 2 gold strips with weird patterns sort of on them they both end at 2 torches. I think that this is where the possible last realm if there is one could be the gold strips end up at the torches and both start from where the last komidogu is. I read some guy talk about how there could be another realm with Quan Chi in it and that there has to be more to Kochal then it just sending us back to the start with a $1000 reward in the netherrealm. I don't know this has probably been said before sorry if it was.