Whisk protein powder into almond milk until smooth. Mix in oats, chia seeds, coconut, and coconut extract. Set aside.
Add blueberries and maple syrup to a small saucepann and bring to a boil over medium heat. Continue to boil for 5-10 minutes or until the blueberries have burst (you can help them along by pressing them with the back of a spoon).
Whisk arrowroot flour into <1 tbsp water, then whisk into boiling blueberries. Remove from heat and allow to cool.
Layer oats with blueberry mixture in a covered or resealable container, then refrigerate overnight.