Ascendant sword

This sword evolves according to the level of the character: from level 1 to level 7 the sword is in a sleeping state, from level 8 to level 14 the sword goes into an awake state and finally from level 15 to level 20, the sword is in an exalted state. 

Sleep State (Rare): This longsword grants a +1 bonus to attack and damage rolls made with it. While holding it, you gain a +1 bonus to Armor Class, saving throws, and ki saving throw DCs. When you hit with a melee attack using the longsword, you deal an additional 1d6 force damage to the target. You get 2 extra ki points. You can cast the shield spell for 1 ki point. 

Awakened State (Very Rare): This longsword grants a +2 bonus to attack and damage rolls made with it. While holding it, you gain a +bonus to Armor Class, saving throws, and ki saving throw DCs. When you hit with a melee attack using the longsword, you deal an additional 1d8 force damage to the target. You get 4 extra ki points. You can also cast the haste spell for 3 ki points.

 Exalted State (Legendary): This longsword grants a +3 bonus to attack and damage rolls made with it. While holding it, you gain a +3 bonus to Armor Class, saving throws, and ki saving throw DCs. When you hit with a melee attack using the longsword, you deal an additional 1d10 force damage to the target. You get 6 extra ki points. You can also cast the fireball spell at level 5 for 5 ki points. When you cast the fireball spell for 5 ki points (bearer's ki save DC), you can perform an attack against each creature of your choice present in the spell's area of ​​effect. You can throw this sword in the air and give it the effect of the object animation spell while being a Medium object keeping the +3 bonus, when the spell ends the sword returns to your hand or goes into your scabbard if your hands are caught. 

Awareness. The wielder gains the ability to communicate with The Ascending Sword is a legal neutral intelligent weapon that has an intelligence of 17, wisdom of 10, and charisma of 19. It is able to hear and possesses darkvision up to 36 meters. The weapon can speak, read, and understand Common and can communicate with its wielder telepathically. His voice is deep and resonant. As long as you are bound to The Ascending Sword, this also includes any languages ​​you know. 

Personality. This sword was made by the greatest knight smiths, this sword was designed for an ancient hero now forgotten but this sword continues to be passed down from generation to generation to the person who is worthy of it. For the past few years, the sword has remained with the same person, but that has just changed as he gave it to his apprentice. This sword is ready to do anything to protect its wearer besides it never wants to move away from him to protect him in all circumstances.

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

Notes: monk, Versatile, Sap