As his cultivation improved, Zhang Ruochen needed more and more Xuanwu Sacred Blood to reach the next level.
Zhang Ruochen took half a year to refine three drops of Xuanwu Sacred Blood, during which time he had raised his cultivation from the Initial Stage to the Peak of the Fourth Change in the Fish-Dragon Realm.
At the Third Change in the Fish-Dragon Realm, Zhang Ruochen had only required one drop to reach the Peak.
All the Meridians in his body surged with violent Genuine Qi. Some of it exceeded what he could withstand, seeping out from his pores and floating in the air. A 10-meter Xuanwu illusory image now appeared.
Zhang Ruochen's cultivation had improved rapidly after refining the Xuanwu Sacred Blood. He had now reached the Peak of the Fourth Change in the Fish-Dragon Realm. This growing power, however, had not integrated well with his internal strength.