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Just like your Heroes, they can be upgraded using Book of Heroes to complete an upgrade in process or a Hammer of Heroes to instantly give your Hero Pet a level.

Barracks upgrades depend on your level and which troop you will unlock, but overall it's a great idea to unlock new troops right away so you can start upgrading them on the Laboratory.

Walls are extremely important, even though there are many units that can bypass them.

Tapping this icon, which is displayed only while an upgrade is in progress, instantly finishes that upgrade at the cost of the displayed number of.

Early Troop upgrades in the Lab have been significantly reduced• It is possible to upgrade the Laboratory itself and any progress for the ongoing research continues, but they will never be applied until the building upgrade concludes.

The phrase: "Harder, better, faster, and stronger! This is unfortunately required by Facebook for us to offer this feature.

However, one can still instantly complete the active one via spending Gems or a relevant Magic Item Book of Fighting for Troops, Book of Spells for Spells, and Book of Everything for all upgrades in general.

Overwhelmed by the number of available upgrades? Check out our to learn more.

At level 8, the Dragon's skin turns into a more maroon kind of color.