If The Warden helped Brother Burkel near the Tapster's and convinced the Shaper to grant him the right to preach his sermons to others, he will end up converting quite a few souls to the Chantry. The majority of the rigid dwarven populace will not react well to this, and Burkel is killed while resisting arrest. With his death, the Chantry itself will then consider leading an
Exalted March on the dwarves to avenge this perceived slight upon their religion. It is unknown if they ever do go through with this, however, as it is only suggested during the ending credits.
They have ideas of going after the dwarfs, wouldnt put much past them