Cloak of Spiders

Researching the cloak, a voice enters the mind of they who adorn it. Willing the wearer to return it to the Underdark to rightful owner.
"Dolblunde... return me and you shall be rewarded for your service. No harm shall come to you... only glory and riches... you have my word".
Whilst attuned, the wearer gains the following benefits.
- Able to summon a giant spider once per day for 8 hours or until dispelled or killed. Can be mounted by the attuned creature.
- Can cast spider climb at-will.
- Can cast web once per day.
- Superior darkvision granted up to 120ft.