The Eyes of a Sinner (Messmer/Tarnished, Messmer/Reader) by dionysusxian"..Tarnished, are we?" Messmer remarks, summoning long blades of flame from his palms. "No matter who you are or whence you came. Those who challenge me perish in the flame.." He said to the fabric-clad tarnished. (the first fanfic to feature Messmer on AO3, 2024)