Because this memory (The Escape / The Tournament) is known for progression blockers, I have provided a formal bug report template below. You can use this to submit a ticket to Ubisoft Support. I have also included the current known fixes for the most common bugs in this specific memory.
Console (PS4/Xbox): Since you cannot use Cheat Engine, try switching from your thumb to your pointer finger to achieve a much faster tapping speed. Some users report that if the QTE icon turns yellow or red, you should keep mashing as fast as possible anyway, as it may eventually trigger the win. assassin 39-s creed unity sequence 7 memory 3 bug fix
Keep an eye on Ubisoft's official social media channels and forums for updates on the issue and any future patches. Because this memory (The Escape / The Tournament)
If you have reached Sequence 7, Memory 3 – “Confession” in Assassin’s Creed Unity, you may have slammed into one of the most notorious progression blockers in the entire franchise. After an intense infiltration of the Île de la Cité, Arno finally corners the villain... and then the game freezes, crashes to desktop (CTD), or soft-locks during the confessional cutscene. Set game to offline mode
The last significant patch for Unity. By this point, most players had moved on, but Ubisoft quietly addressed the remaining issues:
Would you like the steps formatted as a checklist or as a shorter tweet-sized version?
I can provide specific tips for the "Staggering Strike" challenge or the initial investigation.