Gray Porcelain was ultimately talked into joining the pool of potential team members.
In terms of combat strength or puzzle-solving ability, they did not particularly need Gray Porcelain. The main reason they still brought Gray Porcelain along was that Gray Porcelain's Danger Sense was extremely useful.
And the Echo Library itself was a massive "maze."
With it around, whenever they encountered a fork in the road, they could at least avoid the most dangerous direction and save themselves plenty of detours.
More importantly, this stage involved a "god." Although they had repeatedly dissected the concept of gods during the meeting, trying to dilute their majesty so that no one would take them too seriously, a god was called a god because They wielded authority beyond mortals. Some authorities were so tyrannical that they needed not obey common sense at all, capable of turning the situation around through will alone.
Moreover, His divine name had appeared in black code in Wonderland's prompt. That alone was a signal, indicating His unknown and uncontrollable nature.
No one dared guarantee that sealing Him would not trigger some unforeseen danger.
Having Gray Porcelain's danger warnings as an extra layer of protection meant another measure of security. No matter how they calculated it, the advantages outweighed the drawbacks.
Everyone laid out the facts and reasoned it through, praising Gray Porcelain to the point where perfect stage clearance seemed impossible without it. In such circumstances, Gray Porcelain was flattered so thoroughly that its feet barely touched the ground, and it nodded in a daze.
Thus, the team for this Echo Library challenge was finalized: Angel, Rabbit Girl, Gray Porcelain, and Gabriel.
"We'll gather at Player Camp after midnight and enter the sandbox stage together."
"You can relax for now, or go to Player Camp and gather some