The Flores Historiarum claims that the Warwolf sent a single stone through two of the castle's walls in the course of the siege, "like an arrow flying through cloth".[5] Other sources, however, report that the weapon was only finished after the Scots had surrendered.[4] Edward decided to use it anyway, refusing to let anyone enter or leave the castle until it had been tested.[6]

https://en.m.wikipedia.org/wiki/Warwolf

I knew it was Warwolf before I'd even finished reading your comment based entirely on Longshanks looking exactly as he did in Braveheart. I need to get a life 🫣