Finally I managed to render this formula with perturbation.
This is the same formula that DeepZoomNet rendered in this movie
I followed the path of his zoom in the beginning of this movie.
The sparse areas looks different in my render, but otherwise it is the same.
This is a very fascinating fractal! The zoom starts centering at e42, so there should be a minibrot at e84. But instead, even though there is a clear center in the pattern, the pattern keeps coming with