this is what i have so far
The Talon Of the Stormlord
Curved blade adorns the tip of this solid gold and steel spear, decorated with large feathers that appear to float on a unidentifiable breeze.
You gain a +3 bonus to attack and damage rolls with this magic weapon in addition to 1d6 lighting damage.The weapon has a total of 6 charges and regains 1d4 - 1 charges daily at dawn. While in a mountainous region or area of strong air elemental magic, it regains 1d3 charges after completing a short or long rest. As a bonus action, You can expand up 6 charge to empower the spear with the force of the storm , any target that is hit by the attack takes 1d10 of lighting or thunder (chosen by you) damage per charge spent . When you hit with a ranged attack using this weapon, the weapon immediately flies back to your hand.
Aegis of the Stormlord:
Random Properties: The Talon of the Stormlord have the following random properties:
1 minor beneficial property
1 major beneficial property
1 minor detrimental property
Sentience. The Talon of the Stormload is a sentient chaotic neutral weapon with an Intelligence of 15, a Wisdom of 18, and a Charisma of 16. It has hearing and darkvision out to a range of 120 feet.The weapon communicates telepathically with its wielder and can speak, read, and understand Common and Auran
Spells: While the Spear is on your person, you can use an action to cast one of the following spells from it: Investiture of Wind , Control Winds , or Wind Walk. Once you use the sword to cast a spell, you can't cast that spell again from it until the next dawn.