Shamans go into vision to perform magic. Visionary magic is very powerful and requires the imagination initially before you get good at it. You could be potentially interacting with inner realms but that can be risky without the proper safe guards in place. The beings you are imagining could made up in part by your daydreaming but a parasite could be stepping into those characters and sort of turning up the volume on your visualizations and taking you on flights of fancy filled with emotional ups and downs and battles and stories etc. All of those moments create a build up within you that a parasitic entity will feed on. They are not inherently evil but they are bad for our health in the long run as they drain us overtime. Your ability to go into vision is not a bad thing though, it is a cornerstone of magic. You can make positive inner contacts by doing so. Lay in a bath of salt water to remove any low level parasites and consider learning more about what it is you are doing. I suspect you already know that it is more than just ordinary day dreaming.
Your language gives you the world you see, sight of the world Do you know what the world looks like that you see? What would you call it Pretty? is pretty a world? Pretty is an appreciation Is it red? red is a color but things are the same or they are different The reason we have difficulty with the mystical space is that it is not mystical Physical things we measure by number we know each other as the breath comes as goes from the body What makes us the same the breath comes and goes from the body What make us different our bodies look different we cannot be the same and different something is different You can't make material things you cannot see but you can see the material things from what you say there are no spooks there is you spooking yourself with your language