This shot is quite tricky for me. This shot mainly shows that Diana draws a stroke on the wall, and then the portal slowly spreads out to form a circle. like the image shows.

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I tried several different effects in After Effects. But the result is not very good. The portal looks like a flat surface. It is not very suitable for the scene.

Here is the first version for test.

Obviously, this result is not ideal. And the style of this portal is different from other portals. After a group discussion, we decided to use the effect of smoke instead of light. So I created the portal in the same way as in the previous shot. However, adjustments have been made to the animation. Make the portal appear as a line at the beginning, and then slowly expand into a circular portal.

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Here is the final version,