There is counters vs Van Helsing and he is not immortal - which means he is not broken.
You want to know which ones? Then study character and talisman effects, try to be more creative. It is there.
In fact you don't even need the latest and greatest stuff to beat him.

And of course no one will be happy to see something gets nerfed - especially if that took really hard work to get.

This is very typical with every meta change. Yesterday it was Primordials, today is Van Helsing, tomorrow will be something else (maybe an Awakenable Sandworm).
One thing is sure, there is always something that needs to be nerfed