Delirium starts timing out almost immediately on Strand

Several of my most recent Strand maps ran today with Delirium have started timing out the Delirium almost immediately after starting it. I have ran this strategy many times easily going to the end without the fog running out, and I have seen this bug ~10-15 times in the last 30 maps I've done before writing this post.

Here is my Atlas passive tree:
https://www.pathofexile.com/atlas-skill-tree/AAAABgAAfgHABPgHiAjkChkKqgtxDuIPYxDhFNoXyxjtHlsfxCHFJlgm9CqEKsAraDADMIwz5DSIOkY7nzvcPl9BjEOpRNpHz0gASg5QF1GCU2FT21TxWJtZPFvZXBVc2WBNYGdiuWO1ZO5lAGV9ZZdmKGfpcEBxoHX_d3l3m3oIfT6AEIKghByGWYlCic-NKY24j9SRAJF9kYyUGZcknBKdXp2HnaOjbqUspm2ngq_Bsfu0hrdRt4G5abpMu-u-178WwcfDTcbQx5zHs8e0y8vPDs_J0KLYnti12gLfI99e4YvjN-ZP5s3qyuzl7iruwfDF8kz35Pow-rL8RPxx_cn_uAAA

Scarabs used are Delirium Scarab of Mania x 1 and Domination Scarab x 1, standard rare non-corrupted T16 Strand with 4 watchstones.

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iSh3k#6118 wrote:

Several of my most recent Strand maps ran today with Delirium have started timing out the Delirium almost immediately after starting it.

Take care that you aren't outpacing the Delirium fog's expansion. It does not immediately cover the map, it gradually expands outwards from the Delirium Mirror.

Normally, outpacing it shouldn't be an issue. However, it's easy to do if you start certain league encounters. I think Essence monsters and Strongboxes are examples, though I don't recall off the top of my head, so you're better off looking it up yourself.

Encounters like these pause the fog--not only the fog disappearing, but also the fog's spread, making it easy to run past the fog.

Oh wow I did not know this, that has to be it. I'm surprised I have never encountered it before! Thanks for the explanation I guess this post can be closed.