Artifact knowledge level must always be learned.

There is a world mission to gain artifact energy.

Getting a lot of artifact energy quickly requires you to complete Sura's task. A task line can give a lot of energy.

Random H Ben needs to play for the first time.

Brush 5M and cover book.

These are the ways to get the energy of the artifact, and the fastest way is 2, 3 and 5.

Another thing to note is: don't think about getting a lot of artifact energy at once and make the artifact level very high. This version of the artifact level requires you to spend a lot of time removing the liver.