he ties all his perspective of "negative energy" into one spirit entity that he named or asked the name of called Mordrigal and then speaks about ways to release yourself from its control over you
As a general response as someone who hasn't read the book, I personally ascribe to the idea of "don't give them names", over the splitting risk.
I've seen a lot of Naming Rituals described as metaphors, and I personally find it dangerous. The aspects of me are still me, and naming them would serve to give them power through separating them from the whole, rather than consolidating it into the larger body of work.
It's why I am against the 'Light Wolf/Dark Wolf, which do you feed?' story, splitting symbolism unintentionally indoctrinated through films like Inside Out, and blaming nebulous outside forces for our misfortunes and the like over how it can bandage a problem in ways that can let them fester into new problems.
During some older bad times when I hadn't thought over the naming ritual risks yet I saw some things, but since not ascribing to that they went away. Names are powerful as a source of reference, not unlike a Memory Totem, over how it lets you build a narrative around it.
"Sacred Shield provides a broad look at the field of shamanism. This book, more fundamentally, gives witness to a dark, malevolent energetic form observed to be causing illness, depression, anxiety, panic, erratic behaviors, physical symptoms, and, in a few extreme cases, suicide. Sacred Shield introduces the concept of the "Song of the Soul" as an alternative view of the luminous energy field and how that song never goes away yet can be hijacked or interrupted by this energetic form, named by the author as Mordrigal. The book also introduces the concept of "soul fractures" as a place where the deepest wounds to one's being are held, thereby creating the openings for the opportunistic Mordrigal entity to enter. Once the energetic form is able to take hold, it utilizes the individual's unconscious/subconscious as its own library to terrorize its victims. A protocol is introduced that can remove this energetic form, referred to as the Mordrigal Protocol. Lastly, the book stresses the importance of protection with emphasis on creating one's own "Sacred Shield." This book about shamanic protection for the world today proclaims a level of hope throughout."
skeptical but will see what suggestions that he has I mean I can definitely see his perspective
Sounds shady to me.
Ę̵̚x̸͎̾i̴͚̽s̵̻͐t̷͐ͅe̷̯͠n̴̤̚t̵̻̅i̵͉̿a̴̮͊l̵͍̂ ̴̹̕D̵̤̀e̸͓͂t̵̢͂e̴͕̓c̸̗̄t̴̗̿ï̶̪v̷̲̍é̵͔