Genetics: Blueberry x Purple Kush (70% Indica). Taste: Sweet, Pine, Earth. Helps with: pain, anxiety, stress. Feelings: Aroused, Sleepy, Relaxed. Crown Royale produces a cerebral high on your body that slowly tends to take over your system. Its body buzz is very strong and energizing. This strain is used by patients suffering from depression and stress as it relaxes their nerves and relieves all the symptoms of stress. It has a positive effect on terrible migraines and different types of pain, including arthritis pains.