There was no other way, so for the next period of time, he had to throw himself into the task of investigating the mysterious attackers.
Teresa understood clearly that since the Brotherhood could attack her main hall, they couldn't rule out the possibility of a direct attack on the Saint Night Royal Family, something she would never allow.
Once Saint Night's royal power was overturned because of this, both she and her family would inevitably face severe punishment from Her Majesty the Queen, even possibly losing their lives.
However, despite being the Lunar Temple Holy Maiden and deploying all resources to investigate the power behind these mysterious attackers, she had no substantial gains other than the name Black Abyss Brotherhood.
That's why, when she saw the Princess's Guest Official and Nightmare Knight confront each other, she decided to ask the other party for information herself.