[Ocean Kingdoms] Tideslasher and Tide cutter (Patreon)

Tideslasher

Weapon (longsword), uncommon (requires attunement)

This item appears to be a sword hilt stylized with tentacles. While grasping the hilt, you can use a bonus action to cause a blade of rushing water to spring forth, or make it disappear. While the blade exists, this magic longsword has the finesse property. If you are proficient with shortswords or longswords, you are proficient with the tidecutter. You gain a +1 bonus to attack and damage rolls made with this weapon.

Whitewater. As an action you send a torrent of water forward in a 10-foot-wide, 50-foot-long line. All creatures in the area must make a DC 13 Dexterity saving throw, taking 4d8 bludgeoning damage and being knocked prone on a failure, or taking half as much damage and not being knocked prone on a success. Once you’ve used this feature, you can’t do so again until the following dawn.

Waterborne. When submerged in water, the size of Whitewater increases to a 15-foot-wide, 100-foot-long line.

Hydrodynamic. Attacking while underwater doesn't impose disadvantage on attack rolls you make with this weapon.

Rare version. Your bonus to attack and damage rolls increase to +2. The DC increases to 15 and the damage increases to 6d8.

Very rare version. Your bonus to attack and damage rolls increase to +3. The DC increases to 17 and the damage increases to 8d8.

Tidecutter

Weapon (longsword), uncommon (requires attunement)

This item appears to be a sword hilt stylized with tentacles. While grasping the hilt, you can use a bonus action to cause a blade of rushing water to spring forth, or make it disappear. While the blade exists, this magic longsword has the finesse property. If you are proficient with shortswords or longswords, you are proficient with the tidecutter. You gain a +1 bonus to attack and damage rolls made with this weapon.

Water Lash. As an action, you can slash the sword towards a target within 20 feet of you, causing the blade to elongate into a lash. Make a melee weapon attack against the target using this weapon’s normal statistics. On a hit you can pull a Medium or smaller creature, or an object that weighs 500 pounds or less, up to 15 feet closer to you. If the target is a fixed object or a Huge or larger creature, you can pull yourself 15 feet towards the target.

Waterborne. When submerged in water, this longsword gains the reach property and the range of the Water Lash feature increases to 30 feet.

Hydrodynamic. Attacking while underwater doesn't impose disadvantage on attack rolls you make with this weapon.

Rare version. Your bonus to attack and damage rolls increase to +2. You can pull a Large or smaller creature, or an object that weighs 1000 pounds or less, up to 15 feet closer to you.

Very rare version. Your bonus to attack and damage rolls increase to +3. The range of your Water Lash increases to 30 feet (40 feet underwater). You can pull Huge or smaller creatures, or objects up to 2000 pounds in weight, up to 25 feet closer to you; or pull yourself 25 feet closer to a fixed object or Huge or larger creature.

Legendary version. Your bonus to attack and damage rolls increase to +3. The range of your Water Lash increases to 30 feet (40 feet underwater). You can pull Huge or smaller creatures, or objects up to 10000 pounds in weight, up to 25 feet closer to you; or pull yourself 35 feet closer to a fixed object or Huge or larger creature. On a hit, you can attempt to pull a gargantuan creature; it must succeed on a DC 19 Strength saving throw or be pulled up to 25 feet closer to you.

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