Fire Force has a lot of powerful weapons but very few can reach the level of Arthur's Excalibur. It is the perfect sword for Arthur as it enhances his capabilities. Fire Force's manga creator once revealed the reason behind giving Arthur Excalibur., Follow the Twitch https://www.twitch.tv/smilezt_tJoin my Discord https://discord.gg/QURXXdwbunFollow My Tik Tok https://www.tiktok.com/@yksmilez?_t=8k4sI5, Arthur uses a plasma sword he named Excalibur as his weapon. It's just a normal hilt and nothing more but Arthur uses his fire abilities to create a plasma blade from the hilt:, Excalibur in Fire Force is a bladeless sword and the personal weapon of Arthur Boyle, one of the main characters in the series, and when wielded by a Third Generation user, it can mold a concentrated blade of plasma in place of the blade., We only see the sheath of Excalibur which became redundant in later chapters since Arthur became able to summon the and store the sword, we see this in later episodes where he is without his sheath and pulls out his sword from a seperate space later on the next panel, We all know Arthur come back and knock some sense into Shinra, Arthur also talk about his excalibur, by projecting a strong thought into excalibur, the sword will produce souls. Final panel.