expression, godan verb (-su)
turn into a crucible; become a hotbed of excitement
Metaphorical expression describing a place or situation that becomes intensely heated with emotion, debate, or activity, like a melting pot or crucible.
会場は熱気に包まれ、坩堝と化した。
The venue was filled with excitement and turned into a crucible of fervor.
議論が白熱し、会
The debate heated up, and the conference room became a hotbed of argument.