”If it gets a life of its own, that link will fail to form in the first place. Scholars still debate on why that happens; this isn’t a very popular field, due to how complex the spell is, and many mages are reluctant to study failure modes. The current leading theory is the mental bridge is tangled and ineffective due to the sheer number of control channels needed; this process may be how it gets its own mind in the first place. What this has to do with the intelligence-boosting effects on magically saturated animals is still in question, it’s just known they’re related.”