Mercenaries were added to Clicker Heroes in patch 0.23, and rebalanced in
patch 0.25. You can’t keep them around forever, but when used properly, they can provide a substantial boost to your progress. This guide should answer most of your questions about mercenaries. As always, if you find there is something in this guide that is incorrect or missing, your feedback on Twitch or Discord is always appreciated!
This guide has been updated for version 1.0e10 of Clicker Heroes.