The plant is dehydrated, I suggest you hang it on an amphora, possibly of terra cotta, cover the bottom with about ten centimeters of expanded clay and put some water so that it covers it slightly, making sure that the roots do not touch the 'water.
A lot of light and a good air change, do not fertilize until you show signs of recovery.
Alternatively a greenhouse with 70% - 80% of "UR" (FOG plant)
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