Elder-influenced areas contain a Memory Fragment disappeared adjacent

Playing zana's quest and at the dead end of a elder patch a Memory Fragment spawned on Tier 8 map.
Played the adjacent Tier 7 map to get map drop and the Elder-influenced areas on the Tier 8 map disappiered but the Elder-influenced on the lower maps remained. I played 3-5 maps, since the spawn. So it can't be the despawn after 20 maps.

It is intended that Memory Fragment disapper if cut of from the others Elder-influenced areas?
This never happend to me before and I offen did that in 3.3 and before.
The quest did chance as well in 3.4. So, maybe this behavior is new?

Elder influence moves randomly and will also disappear if cut off. It's required that elder influence always be a single continuous blob. Whether the map can give a memory fragment doesn't change the influence mechanics at all, and this is not new to 3.4.

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viperesque wrote:

Elder influence moves randomly and will also disappear if cut off. It's required that elder influence always be a single continuous blob. Whether the map can give a memory fragment doesn't change the influence mechanics at all, and this is not new to 3.4.

Thank you for the anwser. I did know that Elder-influence can be a single continuous blob only, but I must have been very lucky in the past...

Is it confirmed that also Elder and guardians can be cut off and disappear?