Underwater breathing in Cyberpunk 2077
Most medpoint shops have an item called an oxygen booster. This medicine will give you a 30 minute buff that removes the need for oxygen. In other words this will allow V to breath underwater for 30 minutes. We don't know if all medpoint shops have the oxygen booster for sale, but we know for a fact that the following shop does, as a minimum:
Once you have this item you can dive underwater for 30 minutes without coming back up. Hopefully this Cyberpunk 2077 underwater breathing guide helped you. Now you know how to get underwater loot in Cyberpunk 2077.