Rings

Ring of fire resistance

Reduces the damage you take from explosions. Not as effective as a cloak of fire resistance

Ring of electricity resistance

Reduces the damage you take from electricity (wands and spells) Not as effective as a Cloak of fire resistance

Ring of acid resistance

Reduces the damage you take from acidous materials. Not as effective as a Cloak of acid resistance

Ring of poison resistance

Reduces the damage received from poisoning.

Ring of invisibility

Grants you invisibility

Ring of infravision

Grants you infravision

Ring of polymorph

Randomly polymoprhs you (unless you have polycontrol).

Ring of polycontrol

Grants you polycontrol.

Ring of teleportation

Randomly teleports you (unless you have telecontrol).

Ring of teleport control

Grants you telecontrol

Ring of searching

Helps you detect traps.