It felt like it was all for nothing in the end. As the rengokus blood spilled to the ground, his organs hanging out, his smile still never fading. "If you are feeling disheartened, that you are somehow not enough, set your heart ablaze. Dry your eyes and look ahead." You hadn't even noticed the tears that were streaming down your face as he said his final words, and you didn't care. You and Tanjiro just held each other and sobbed as Rengoku lay there lifeless.