Rio chose not to reveal his identity because he didn't want to deactivate his shadowrobe just yet.
He might still have a chance to withstand the attack if he has the shadow robe on, but without it, he will be totally on the mercy of this unknown SS-ranker.
'Let's just hope I can solve this without a battle…'
If it were an S-ranker, Rio wouldn't have hesitated this much; he would have fought the other party head-on, but things are not in his favor right now, so he has to use other tricks to get his work done.
*Step* *Step*
The small golem invited Rio inside the chamber, so he stepped on the wooden floor and walked behind the golem without hesitation.
"This place is different from the outside… Unlike the outside, it's made out of wood, and it's fragile."
At Rio's words, the small golem nodded its head in agreement.