Ring of Teleportation
From The Unofficial POWDER Wiki
This ring confers the Teleport intrinsic. Each turn, you have a 1% chance to teleport. If you have Teleport Control, you will get to choose the location (including your current location), otherwise, you will go to a random location. You will not (and cannot) teleport into solid rock, a boulder, or another creature; however, there is no protection against teleporting onto water, lava, acid, or traps, much less into the midst of a batch of monsters! The Position Fixed intrinsic will prevent you from teleporting at all.