In orthodox cultivation, you had to temper your meridians with wills to open them up to accept energy. However, it was also commonly understood that the more wills you used, the more powerful you were. This was why the best of clans didn't bother with tempering with wills one by one, but instead used Gama energy to floor the meridians with every will.

Rebirth of the Nameless Immortal God
Martial Arts · Awespec
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