Having located the source of the gathering extraplanar energies (originating from Mabar, the Eternal Night, and Xoriat, the Realm of Madness) within a dark cave, the party plunged in without fear.
In the end, they thwarted the Yellow Eye, keeping the village reeve Toraash’dorrm from awakening some unspeakable evil, and managed to rescue Doria d’Velderan and many Blackroot villagers.