The Lantern of Time Reduction
Refuelable light-source (radius 3). -5 to speed. It increases
resistances: +15% chaos and +50% time. It gives its wielder slow digestion
and feather falling. It cannot be damaged by any means.
Level 45, Rarity 15, 5.0 lbs, 25000 Gold.

(EyAngband 0.5.2)