C231 Return to the Dungeon

Deep within an unremarkable cave on the Elf Continent...

Ye Fann remained seated, pulling out the Patriarch's Stone.

The System announced, "Patriarch's Stone detected. It can directly upgrade the Underworld Wing Immortal. Do you wish to proceed?"

Without hesitation, Ye Fann confirmed.

The Patriarch's Stone soared into the air.

Its stone casing shattered