To save Sonia, Ryu fought his way through a sea of blood filled with vengeful spirits, reanimated by the evil of the Underworld. Now he confronts the Queen of the Greater Fiends in a final battle to the death. Dagra Dai's evil incantations are complete; the resurrection of the Archfiend is at hand. The Dragon Ninja walks the blade separating life and death.
Part 1: Blood Caverns
Collect the glowing object here to obtain the Heart of Azure Lightning. Proceed up the path to the iris door and open it. Within, you will be attacked by several Cyborg Fiends. Kill them off and search the corpse here for a Devil Way Mushroom. Progress to the next room for a Muramasa Statue. Clean him out, you have a lot of difficult battles ahead.
In the next room, several Centaur Fiends will attack. Kill them off and search the two corpses here for some arrows and a Devil Way Mushroom. Enter the next room and use the Dragon Statue here. Proceed into the next open area. In the pool ahead, several Red Worms are swimming. Drop into the water and drill them with your Gatling