Let's do it

First, in TOG, the strength of the
Mind and
Soul scale to the
Physical Body
Baam has
Supernatural Willpower
1
Baam has resistance to his body being controlled and also his ego being controlled and destroyed scaling from Beta
2
The Thorn can overcome that resistance after 10 minutes
Baam overcome the Thorn taking control of him at train city
3
After that, Baam survived this
Those Soul also have corruption, madness manipulation fusionism, biological modification: Basically, when he recieved the Soul, his body and mind should've collapsed due to their power as the first side effects, and the second side effects come after surviving the first are that their egos will fuse with your and form a single entity rewriting your physical appearance at the same time
4
Baam even before leanring Shinwonryu was able to break free from the
Rice Pot's Revolution which
effects are
Mind,
Morality,
Perception and
Death Manipulation.
Revolution is a powerfull spell that makes you realize your True Self, True Power and True Fate by separating yourself from the influence of everything, Society, Others, Ideologies, false Notions and Boundaries and making you view everything as unreality/dream, even your perception of time become meaningless for you. Said Revolution has also been stated to kill you in the process by 2 knowlegeable and experienced beings in that matter.(
"God" of Guardians and
Data Khun Eduan being skilled enough to be able to recreate it using Shinsu)
Using the Thorn also put a lot of stress on his body
And before that, just before S2, Baam survived the insertion of a "Devil" inside his body
You also have to keep in mind that even only the test before insertion killed 99 997 peoples
There is also the usual
https://vsbattles.fandom.com/wiki/Shinsoo manipulation and resistance
I don't think that there is any being in HxH that can beat Name Hunt Station Baam, let alone Hidden Floor Baam,