Remove the frozen açaí pulp and frozen blueberries from the freezer 5 minutes before blending. Break the açaí pulp into chunks if it comes in a solid block.
Add the frozen açaí pulp, frozen blueberries, frozen banana, and almond milk to a high-speed blender. Blend on high for 30–45 seconds until completely smooth and thick — the consistency should be like soft-serve ice cream. If too thick to blend, add almond milk one tablespoon at a time. If too thin, add more frozen banana.
Pour the smoothie base into two wide bowls — it should hold its shape. Working quickly before it melts, arrange the toppings: fresh blueberries, banana slices, pumpkin seeds, and ground flaxseeds. Drizzle honey over the top if using. Serve immediately.