As someone who both successfully experimented with tulpa creation in his youth, and who has since developed various mental disorders (mostly neuroticisms involving power- and status-mediated social realities), I would strongly second this warning. Correlation isn’t causation, of course, but at the very least I’ve learned to adjust my priors upwards regarding the idea that Crowley-style magickal experimentation can be psychologically damaging.
As someone who both successfully experimented with tulpa creation in his youth, and who has since developed various mental disorders (mostly neuroticisms involving power- and status-mediated social realities), I would strongly second this warning. Correlation isn’t causation, of course, but at the very least I’ve learned to adjust my priors upwards regarding the idea that Crowley-style magickal experimentation can be psychologically damaging.