It depends on the pain threshold of the individual, but the fact is that a sterilized needle penetrates your skin, inevitable there will be a little blood and pain. Depending on the sensitivity of the skin in the area, the most painful place may vary. Piercing near the cartilage area that is the denser half of your ear or nose bridge, nipple, and genital are the most painful places to get a piercing. Moderately to least painful places to get a piercing would be dermal, navel, nose, and ears. You can check our piercing studio which is the best piercing studio in Mumbai.