After playing through the Elf League back to their own home to go out and meet the competitor's sister, she will tell you dream in the Road of Champions there is a Zoroark, fly to the League to go down into the Road of Champions, on the right side you can see the Zoroark close to it will leave. Follow him into the interior to the city of N where the previous generation and N dueled and then fight with N's black god, after winning N gave the black stone to the protagonist to the dragon spiral tower above the city of Xuehua to the top of the tower can be resurrected black god, grab the black god, N appeared to tell the protagonist sheikhrem resurrected, and then go to the cave of the giants can be captured, and then the sheikhrem with the wedge of the genes, and then select the black god, can be merged