The golem on the outside is like the eyes and ears of Raymond. And not only that, but they could also even sense something.
Or to be more accurate, it is Raymond that could sense something
As long as they are there, Nick is confident that Hirate would not do anything to him
"Haish, these beings. Sometimes, they look like friends. Sometimes, they look like enemies. I really do not know what to say" he thought to himself
The location of this facility is only given to people who have high security access.
And Raymond even though he is no longer in World Government and was sidelined before he reached Divine Comprehension realm, he is allies with Hirate.
Hirate was the one that objected to the people who tried to take away Raymond power
And he was the one that always advocate for Raymond position in the military.
