Kurome's Arc Weapon WIP

Arc Weapon name: Hell's Hammer
Arc Weapon rank: Basic Arc Weapon
Description: This weapon is the standard Anti-Wraith blade that was mass produced by Vanguard. It looks just about the same as any other Buster Blade. It is flat on both sides requiring great strength for the user to use. The heavy set weapon is made to crush even the hardest defenses that the enemy can put up.
Arc Weapon ability: Death by Flames
Description: Once activated by the user the blade begins to glow red and get hotter and hotter until the blades produce flames. This will make it so that not only does the blade crush the opponent's defense, it will melt whatever the sword comes into contact with.
Duration and Cooldown: 4 posts// 5 Cooldown
Strength: What is the strengths to using this Arc Weapon? There is no required set amount but you must be reasonable.
Weakness: What is the weak points to using this Arc Weapon? There is no required set amount but you must be reasonable.