Rimuru did not need to defeat or kill the other party. If anything, once the other party died or felt threatened by their abilities, it would be even more likely to immediately retract the source of his power.
What he needed was for everyone to suppress the other party. Ideally, after exhausting his strength as much as possible, they could erase or... weaken that portion of his consciousness.
Thinking this, Rimuru blinked furtively and revealed a brilliant smile. "Everyone, I have a move that can devour... ah, seal everything!"
Before he could finish speaking, Rimuru felt his feet leave the ground as someone picked him up by the scruff. "Eh?"
He looked up at Ling Ling, who was holding him. Without resisting, he let her carry him away. After taking him some distance away, Ling Ling tossed him beneath a tree and said coldly, "I know you might be capable of dealing with a demigod, but are you not planning to hide your identity anymore?"
To put it plainly, Jiang Xiaoxiao's identity had only been hidden because of the authorities' suggestion and Rimuru's own initiative. If he wanted to reveal it, the authorities could not say anything.
"No." Rimuru blinked, trying to pass it off by acting cute. "I just know a sealing technique, so I was asking whether you could beat him half to death."
"I do not want to make a move myself, but Yuki Onna and the others probably will not be enough on their own."
After all, he was a genuine demigod. Although this was merely a projection of a portion of his power, he should still be much stronger than Kaguya Ōtsutsuki, right?
After all, Kaguya Ōtsutsuki was just a clueless fool with no combat experience whatsoever. Her only real difficulty was her symbiotic relationship