The fourth Builder's Hut costs 1,000 Gems (you must already own the third). Buying 1,000 Gems would cost US$9.99. The fifth Builder's Hut costs 2,000 Gems (you must already own the fourth).
Is there a 7th builder in clash of clans?
The same as a normal Builder except. For a few things he'll cost a few gems to start an upgrade. And the gem cost depends on the construction. Time of the upgrade.
How do you unlock Otto Hut?
The maximum level for the Mega Tesla is level 10, but this can only be achieved with Builder Hall level 10. You only need to get your Mega Tesla to level 9 to unlock the O.T.T.O. Hut.
How do you unlock the 6th builder in COC?
- You have to reach Builder Hall level 9, and then you will get a building named O.T.T.O Hut.
- Once you upgrade this Otto hut, you will get a Robot (Otto) which will take care of your upgrades in the Builder Base and the master builder will Move to your main village as the 6th Builder,
Is the fifth builder worth it?
Is it worth buying the 5th builder? YES, If you are keeping all your builders busy for regular upgrades, then you obviously need the 5th builder for faster growth of your village.
What to do when all builders are busy?
If all 5 of your Builders are busy, use Gems to call upon the Goblin Builder to pitch in! The Goblin Builder will set up shop near the Clan Castle path during the Work for Hire event. Goblin Builder facts! The Goblin Builder can build just one thing at a time.