Blueberry of vampire vape tastes just as the name tells you. This base flavor is often boiught by people who own a less advanced device. When blueberry is vaped at a higher watt level, it can start to taste chemical. Best flavour comes when < 30 watt.
The e-liquid Blueberry is a sweet and fruity e-liquid, wich is sold by every good vape shop as a base flavour.