Blue Ice Slasher

You show the Ymir blade used in the spell’s casting and make a melee@ttack with it against one creature within 5ft  of you. On a hiiit, the target suffers the weapon attacks normal effects, and you can cause a blue spike to leap from the target to a different creature of your choice that you can see within 5 ft of it. The second target takes cold damage equal to your spellcasting ability modifier.

At Higher Levels. At 5th level, the melee attack deals an extra 1d8 Cold damage to the target on a hit, and the cold damage to the second creature increases to 1d8 + your spellcasting ability modifier. Both damage rolls increase by 1d8 at 11th level (2d8 and 2d8) and 17th level (3d8 and 3d8).