Proud Swordsmith Episode 18

After a fierce duel with King Arthur, Liu Bei's group have finally been entrusted with his Haro, and now they on their way to Regina World to find the next one. Meanwhile, Cao Cao and Sasuke are separately heading for Engoku Island, the home of a legendary swordsmith, to obtain weapons with which to resist Nobunaga. They soon enter the island's village, but something seems strange. As the pair search for clues, they discover a hidden underground passage inside a workshop. With hope in their hearts, they make their way into the passage, but something is waiting for them there...