The Mind Control Spider is a spider scroll found in The Elder Scrolls V: Dragonborn.
This effect can turn almost anything, of any level into an ally, including Hold Guards. Essential non combatants such as jarls or merchants are not affected. Once the effect wears off, the affected person wanders off as usual and the spider is consumed and lost. Using this spider on any citizen will count as an assault and killing that person will count as murder.
This recipe only yields one spider. In addition, after crafting the spiders, the following recipe note is added to the inventory: