The soul of the class, like the soul of the hero, is an important item used to break through the star level.

It is the only choice for every top lord who wants to build the strongest class legion.

But the reason why it is not cost-effective is because the soul of the class required for the promotion of the class is too large, and each class needs at least six class souls to break through to the full star.

Even more so for the Legendary class.

In a situation where every Legendary Soul is extremely difficult to obtain, a twelve-member Legendary Class squad needs a full seventy-two Legendary Souls!

As far as Gu Yi knows, think

"National Desert Island: All I Picked Up Are Golden Legends" Chapter 88 Soldier Soul Promotion! Full Breakthrough Red Shadow Dragon! Reversal of offensive and defensive momentum! I am hitting it in my hand, please wait a moment,

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