[Variant] Suiryū - D&D5e (Patreon)

Dagger, very rare (Requires attunement)

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Imbued with the essence of a Water Elemental, this dagger was first crafted in an ancient monastery at a time when magic and elemental energies ran rampant across the land. It is entirely made of water, but while the parchment in its hilt is active the dagger is solid and has a soft, icy texture. You have a +2 bonus to attack and damage rolls made with this magic dagger. The dagger causes cold damage, instead of regular piercing damage.

When you use this magic dagger to make a ranged attack against a creature within range you may call upon the power of the trapped elemental, releasing a wave from within the parchment to attempt to enclose a target in a floating sphere of water.

If the target is medium or smaller it must succeed on a DC16 Strength saving throw or be restrained within the water sphere's strong current. While inside the water sphere, the creature is unable to speak and any ranged attacks made against it are made with disadvantage.

The target may use its action to repeat the saving throw and attempt to free itself, but at the end of each of its turns, if the creature remains inside the sphere, it must succeed on a DC16 Constitution saving throw or take 4d6 cold damage as water enters its nose and mouth.

The water sphere remains active for 1 minute until you dismiss it, or the trapped creature succeeds in getting out. When the effect ends, the water flows back within the scroll. Once a day you can speak this weapon command word to summon the water dagger from within the scroll.