Murphy's sudden appearance at the critical moment of the battle was no coincidence.
In fact, upon reaching Baphomet's Palace and discovering that Triss and the others had not appeared, Murphy decisively summoned George. Leaning on the incredible sense of smell of the Star Realm Wolf, he delved deep beneath the palace. He wasn't just arriving in a crisis moment; he had already stealthily entered the cathedral when Triss was controlled by the Decree of Corruption. As he said, heroes always need to appear at crucial moments to turn the tide.
So the Vampire Lord took some time, meticulously selecting the right moment to make his entrance.
The maze wasn't originally so easy to navigate, but fortunately, Miss Winnie summoned a Minotaur, whose unique scent made it easy for George to track the path.