What is the name of this movie?


A man who traveled to Europe to find his manager who went there to A hospital resort with a lot of old people And he is in its like an old castle and the doctor of this castle have a young girl and this castle has a Haunted treated water and they kill the patient there…
And the man in the movie entered one of the treated water containers and was attacked by eels inside.

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Deebo Selected answer as best Jul 3, 2021