Amon’s Beheading Sword

A jinn inhabits a metal that gain you abilites. this jinn  this jinn of Politeness.When attuned, tp the metal vessal it grants you resistance to fire damage and the ability to fly at a speed of 60 feet. The sword has the following properties:

 base form: whenever you hit a creature the weapon deals bonus 2d6 fire damge and you can cast Aganazzar's Scorcher 5th level and wall of fire 5th level at will

2nd stage: in the 2nd stage the metal vessel becomes a large black greatsword coverd in flames. this blade deal a bonus 5d6 damge 

Third-Stage Transformation:to use the extreme magic the user has to go through the third transformation: Flame-like protrusions on the arms and legs.A third eye appears on the forehead. A naval piercing manifests . you van use an action or a bonus action to transform and deform

Flame Slash: As a bonus action, you can swing the sword to release a wave of fire in a 15-foot line. All creatures in the line must make a Dexterity saving throw (DC 18), taking 6d6 fire damage on a failed save, or half as much on a successful save.

 Flame Minister's Beheading Sword (Extreme Magic): Once per day, you can invoke the extreme magic of Amon, transforming the sword into a massive fiery blade. As an action, you can deal 12d10 fire damage in a 30-foot cone, and you may choose to stun enemies for 1 minute if they fail a Dexterity saving throw (DC 20). This power causes exhaustion after use (one level of exhaustion per use).

Amon’s Blessing: If you have taken a short rest after using the extreme magic, you can regain 1d6 hit points for each foe slain by your sword

Proficiency with a Greatsword allows you to add your proficiency bonus to the attack roll for any attack you make with it.

Notes: Damage: Fire, Damage: Fire, Resistance: Fire, Bonus: Melee Weapon Attacks, Bonus: Melee Weapon Attacks, Heavy, Two-Handed, Graze