Bow of the Winter Hunter

This shortbow sculpts its own arrows from pure
ice when you pull the string, requiring no ammunitions, and does 1D6 piercing + 1D4 cold damage. If you use special ammunitions, they are covered in frost and deal an additional 1D4 cold damage, unless they already deal additional fire
damage. Additionally, a target hit by this bow has
its speed reduced by 10 feet until the beginning
of your next turn. This effect doesn't stack. A creature with resistance or immunity to ice is not affected by the spee