enchantment of slowing sand

you can imbue a weapon with a special magic. if you imbue the weapon after 1 min the weapon gets the slowing sand.

slowing sand this buff is on the weapon for 5 attacks. everytime the weapon hits a creature the creatures speed gets a -5 debuff until 2 turn or if its out of combat 1 min. this effect cannot be stacked  or multiplied by any other effect. also you cannot stack enchantments of this enchant on the same weapon.