What if writer's block wasn't in your head? I know this prompt might seem strange, but just keep reading.
What if you were given a physical block that made you not be able to write? What if that block was going to explode in 2 minutes and you have to hand it to someone else before you're stuck with the block forever? Or what if writer's block is a disease that is infesting the writers of the world and your character has been infected and tries to overcome their illness? What if writer's block is a person that physically attacks you until you're not able to write?
The ideas are limitless and you get to decide which ones are worthy of your attention. Your only parameter is that writer's block has to be a physical thing or person or other. It just can't be completely mental.
99% of writers experience writer's block at some point in their career (It's not 100% because there's always that one person that denies that they're not perfect). It's a normal thing, I've definitely had my fair share. So, when you experience writer's block what do you visualize it as?