Sonic Universe 4: Journey to the East

Sonic Universe is the hit spin-off series to Archie Comic’s wildly successful Sonic the Hedgehog comic book series! Explore the characters, worlds and dimensions of Sonic’s universe!
 
The Iron Dominion has won! New Mobotropolis has fallen, and Sonic has barely managed to escape with a handful of friends. What's a heroic hedgehog to do? Find a new way to fight back—that's what! Sonic leads Tails, Princess Sally and Monkey Khan on a whirlwind tour of the mysterious Dragon Kingdom. Can they break the Iron Dominion's powerbase in its own homeland? Can our heroes survive their encounter with four vicious ninja clans?  All the action and answers are here!

Journey to the East collects Sonic Universe #13-16.