Heat Blade appears as a double-edged sword, having a medium-length thick wide yellow blade. Part of the sword is covered in a dark red lid, decorated with prominent dark orange shapes. Its hilt comprises a wrapped grip, thin wooden cross-guard and a small pommel.
Upon being made contact with, Heat Blade will start overheating itself, eventually catching fire. However, its actual effects during combat remain unknown.
- Fairy Tail Manga: Chapter 371 Page 17
- Fairy Tail Manga: Chapter 373 Pages 4-5