A Kundalini crisis is not a psychosis. It has almost nothing in common with an actual psychosis. The only thing using that word causes is an innate sense of fear in people and yourself, which only makes it worse (your subconscious mind aims to please, you want it psychosis symptoms, you can have them). We had a member here who loved doing just that. So please call it a crisis or even a milder syndrome.
EDIT: Thanks for changing the phrasing!
It’s also very very rare, since it takes a lot of force to cause the excitement of that energy without being ready to guide it correctly. Usually an external force, like how some older cultures drilled a hole in the third eye and stuffed it with certain herbs to have the third eye open in 24 hours, ready or not. A mistake many people make is using drugs or doing a lot of energy work to try and fix it, which is like exercising while injured.
Subclub subliminals, while powerful, are intentionally written in such a way that they don’t force things you’re not ready for. We deliberately chose to do it that way. As interesting as it is to unlock a person’s limitless potential using a nuclear sub, the fallout is not pleasant.
Personally, I would actually stay away from things which are meant to create even more energy. Instead, try to sleep more, and do something in nature, like sitting down against a tree in a forest or park and just staring out in front of you, letting your thoughts and sensations flow by without trying to hold on to them. Let the trees ground you. Take life slow and let things settle down.
If you do want to take a more active approach, you’ll probably want to do meditations aimed at balancing your energy system from bottom to top and top to bottom, creating a clear and balanced channel for energy to flow evenly instead of smaller and wider parts which cause strong currents.
I’m not the most experienced in these matters, but I would say grounding is important here, having a solid base to hold on to. You don’t want to resist and fight the flow but rather have a safe place from which to observe it and feel safe around it.
As far as subs go, I would happily recommend some, but most (non-custom) subs do so many things at the same time that even though one part of the sub might help, another part might not. Subs do accelerate change and that is probably the opposite of what you want to do right now.
To name an example, for me So Below is a very silky smooth, cool but solid masculine energy and makes me feel more in control, while As Above is very light and airy and makes me want to float and surrender to it. And yet, reading that description I would say emotionally charged, intense and potent energies are not what you want.
Likewise, Sage might be more As Above, alpha subs might carry a more So Below energy.
I honestly don’t know if I should or should not recommend subs. So my recommendation is when things go out of control, take a break from these tools for a while and let things settle. Don’t try to fight it with lots of methods and tools, instead become mindful and observing. You can’t put it back in the box, but if you don’t engage it will probably go back there all by itself when it gets bored of your lack of participation.
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Having binged horror movies that might have been what your mind sought to create and/or manifest? And Alchemist overload might just have helped bring it along? Is it really malevolent if you intend it? 
thanks for your reply