It was the final battle, You (Your Demon Slayer Oc) and the demon slayer corps were going against Muzan Kibutsuji, a few people had died, You and the Hashira and the Kamaboko squad were alive. A few of them were dying. Now it was the end of the battle you saw Mitsuri had lost both of her arms and Obanai had his face slashed he was holding onto Mitsuri tight, Gyomei had died from unlocking his Demon Slayer Mark, and a few other Hashira had died (Mitsuri, Obanai, Muichiro, Gyomei)