Make the base:
Combine the unsweetened vanilla almond milk, unsweetened coconut milk, vanilla protein powder, cold brew coffee, vanilla extract, and ice cubes in a blender.
Blend until smooth and frothy.
Make the dragon fruit layer:
Add the unsweetened coconut milk, unsweetened vanilla almond milk, vanilla protein powder, dragon fruit powder, and ice cubes to the blender.
Blend until smooth and frothy.
Make the whipped cream topping:
In a chilled bowl, whip the heavy cream, powdered erythritol, and vanilla extract until stiff peaks form.
Make the dragon fruit topping:
In a small bowl, combine the dragon fruit powder and powdered erythritol.
Assemble the drink:
Pour the base into the tall glass.
Carefully layer the dragon fruit mixture on top of the base.
Top with a generous amount of whipped cream.
Sprinkle the dragon fruit powder mixture on top of the whipped cream.