Gulag, Sotria, and Mark have already descended to the ground, but they haven't gone anywhere yet. But if they do, the others won't be able to catch up with them right away.
-Hey, Zombie1 - Augustus addressed the zombie soldier - take the crystal and carry it with you. Although, you know, just take it when we move a little further away. Count to, say, one hundred. Although, you probably can't count... Never mind. I'll give you a telepathic command when to take the crystal. Take it and go in the direction opposite to us - I'll clarify where that will be.
There, the Hero found a safe, and the Cat thief, do your greedy things, and let's go.
Added 32 seconds later
Why do you need it? Just break the crystal so that even if he decides to return for some reason, he won't be able to contact us.
Where do we end up when we save the world?