Nezuko's blood flames were less powerful than Nalan Sheng's because her strength was far below his.
After all, blood flames used the wielder's blood as fuel, so the higher the quality of the blood being burned, the more powerful the flames naturally became.
Nalan Sheng was already a One-Star Dou Wang. Blood flames fueled by his blood were at least as powerful as fifth-tier beast fire.
"Nezuko, I'm going to see Tamayo. You and Tanjiro can stay here and train on your own!"
Nalan Sheng stood up and patted Nezuko's little head, then headed toward Villa Number Two, where Tamayo lived.
After Nalan Sheng left, Nezuko suddenly said, "Brother, I want to practice Sun Breathing too."
"All right, I'll teach you."
Tanjiro nodded without a second thought.
Since Sun Breathing had been passed down by the Kamado family's ancestors, Nezuko, as a member of the family, naturally had the right to learn it.
Moreover, judging by the Sun Breathing sword techniques Nalan Sheng had just demonstrated, combining Sun Breathing with flames clearly unleashed greater power.
Nezuko happened to possess the ability to burn her blood, which could complement Sun Breathing perfectly.
Meanwhile, Yushiro led Nalan Sheng into Tamayo's laboratory.
Muzan lay on a wooden bed, while Tamayo, dressed in a white lab coat, used a scalpel to cut something from his body.
Dozens of glass jars stood in a corner of the room. Some were filled with red blood, others contained internal organs, and still others held severed limbs.
Clearly, all those things had come from Muzan. Judging by Tamayo's excited expression, she had probably stayed up all night.
"All right, Tamayo. Stop for a moment."
Seeing this, Nalan Sheng could not help speaking up to stop her. "I need to take Muzan to the Infinity Castle. You can take