Or could it be that the Funeral Director had the help of another ancient god?
But the personalities and behavior patterns of ancient gods are fixed. The ones who chose to enter the village long ago would have done so hoping to stay, and such sudden changes are generally unlikely.
In other words, ancient gods are creatures of consistency; once they choose to dwell within a village, they wouldn't capriciously break their word, and they would likewise not violate the covenants they've settled upon.
Could it be a newly born ancient god?
An ancient god born in a stagnant village, one that yearns for the vastness of the wider world and thus reached out to the Funeral Director?
The Great Elder exhausted her knowledge of "Funeral Directors" and those ancient gods to speculate the secrets within. She had gained partial insights into the Funeral Director's thoughts on this world and the universe, thus her thinking pattern involuntarily mimicked the Funeral Director's.