Weapon

Rare Spellcasting ability Requires Attunement

Finesse. Reach (5ft.-15ft.)

Magical Controll.

You can control the whip’s movements and length with your mind, extending its reach up to 15 feet.

Lightning Infusion

Once per turn, when you hit a creature with the whip, you may cast Shocking Grasp on that creature without requiring an additional attack roll. Shocking Grasp's damage depends on your level.

Wrath of the Storm God (1/long rest)

You may channel the storm’s fury to cast one of the following spells without expending a spell slot: Call Lightning (at 4th level), Ice Storm, Thunder Step

Techniques

Grab

As a bonus action, you can use the whip to grab an object or creature within range.
Snatch up either a small or tiny object or weapon. As part of the same bonus action you can place it down within your range or throw it . Alternatively you can use it as part of your weapon attack, adding its damage die to the whip’s own.
You may attempt to grab a medium or smaller creature within your range. The creature must succeed on a DC 13 Dexterity saving throw or be moved 10 feet in a direction of your choice, with the exception of pushing it back.

Sweep

As a bonus action, you can lash out in a 15-foot cone.
All Huge or smaller creatures in the area must succeed on a DC 13 Dexterity saving throw or take 1d4 slashing damage, be pushed back 10 feet, and knocked prone.

Cost: -
Weight: 3 lb.