There are so many horrible and disturbing testimonies about the holocaust, we must never forget what antisemitism can lead to if we let it spread.

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OP is deliberately posting false stories about the Holocaust to stimulate doubt among people here

Which is stupid. The reality of the holocaust is beyond doubt, and one invented story from a book written for clout does not invalidate the entire thing.
The UN Outreach Programme on the Holocaust has several good graphics that you can respond to people like OP with.

The story seems real, the bear and eagle torture, nazis did a lot of things to put jewish victims into pain