The Cloak 'Holcolleth' [1,+4]
It increases your intelligence and wisdom by 2. It increases your stealth and speed by 2. It provides resistance to acid. It activates for mass sleep every 55 turns. It cannot be harmed by the elements.
Level 5, Rarity 25, 1.0 lbs, 18000 AU

(NPPangband 0.5.0-WIP8a)