As far as I know there are no 'rips' of the wiki sites.
Outside of looking for Tibia related data hoarders your best and only option would be to scavage the internet archive(https://web.archive.org/) for any of their web crawler archivisations and use some third party software to download the site from there.
Some additional info - the wiki was historically hosted on Erig.net. Afterwards it was hosted under tibia.wikia.com before its migration to fandom. You should also try with other websites especially ones in other languages - PL or BR.
List of supported fansites - https://tibia.fandom.com/wiki/Fansites
List of fansites that are no longer supported - https://tibia.fandom.com/wiki/Unsupported_Tibia_Fansites
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