【Ubisoft】Assassin's Creed Shadows - Slash of Sprecher Naginata

Try on a different browser,f irefox didn't show it to me. Google Chrome worked.

You need to disable Enhanced Tracking Protection in Firefox for that website.
If it still doesn't work, add these exceptions to uBlock Origin. They negate the rule from EasyList – Newsletter Notices.
No need to submit your phone number in the registration form.

sprecherbrewery.com#@#.kl-private-reset-css-Xuajs1.needsclick
sprecherbrewery.com#@#.needsclick[aria-label][style]

Fake number worked.

there's no verification of the phone, you can enter any number

You don't have to enter a number at all.

And with all those "10 minute e-mails" you are able to grab it even without leaving them your e-mail :)