There are certain kinds of things which people may want to know about other realms or the supernatural world. These may be related to some dear departed relative they want to have some contact with through spiritual communication. There are superstitions and horrific stories related to this, all provided by scammers in the field.
Legitimate psychics are really something when you get to know them. This could include the psychic medium NJ, but the world this expert belongs to is so filled up with hoaxes and scams that sometimes he might be unwilling to help out when they find that you are dealing with these. The thing is to contact this expert first before doing anything else.
Whatever you have in mind should be checked for viability, for being a thing which is controlled so that there are no unto wars psychic incidents. What experts will tell you is that there are portals to other worlds. These are opened whenever there is contact between this world and another and that is something which poses risks.
There are several items which you could have to protect yourself, and the medium is able to tell you these. These could include mental and psychological protection to give yourself and whomever you are with a way to have an exit out of readings, say. Readings are ideally conducted by the expert and this will be something that should be safe enough.
For the most part it is something that is going to be more or less what you should have the psychic for. Which is to say that when you have little knowledge of proceedings, you follow whatever instructions the expert has. It has to be this way to prevent anything, to repeat, that might lead to accidents and negative effects.
The connection between this world and another is tenuous at best. And spirits there cannot usually harm anyone in this world, but when the wrong things are said, or the exact spells are given which summons them to do harm, that is another matter. While there are no standards for consumers as to which psychics are effective and reliable, there may be several things you could do.
One is contacting those mediums or groups which are recognized as learned and reputable societies in cities. For one these are scholars who know their stuff and do not necessarily practice magic or the occult. Occult sciences are esoteric and arcane but hit or miss at best.
This is to say that variables exist which could be dangerous. When certain magic spells and other realms go together, some psychic mayhem occurs. And this you will not want to see happen, even as you have been watching all those horror flicks which are about folks accessing other worlds and stuff.
The most important thing to remember that you are dealing with a lot of unknown stuff. And venturing into their places or realms is something that you do only if you are expert or experienced. If you want the psychic to teach you things, he or she needs to know whether you have a native capacity for the stuff before you undergo training.