These are items which don't fall into any other category. You can use
many of them by wielding and 'E'voking them. You can also use some other
special items (such as some weapons) by invoking them in this way. 
Runes, a particular item in this category, have no function whatsoever 
except to open the endgame. You must collect at least three in order to
enter the Realm of Zot.

These are items which don't fall into any other category. You can use 
many of them, as well as some special weapons, by wielding and 'E'voking 
them. Runes, a particular item in this category, have no function 
whatsoever except to open the endgame. You must collect at least three 
in order to enter the Realm of Zot.

mutation effects. There are some spells invoking mutations.

mutation effects. There are some spells that cause mutations.

air elemental magic, and most are poor at invoking the powers of earth 
and death (necromancy).

air elemental magic, and most are poor at using the powers of earth and 
death (necromancy).

Orcs are poor at using most types of magic with the exception of 

Orcs are poor at using most types of magic, with the exception of 

As creatures brought back from beyond the grave, they are naturally 
immune to poisons, negative energy and torment, have little warmth 
left to be affected by cold, and are not susceptible to mutations.

As creatures brought back from beyond the grave, the undead are 
naturally immune to poisons, negative energy and torment; have little 
warmth left to be affected by cold; and are not susceptible to 
mutations.

      invoking things than most other draconians.

      evoking things than most other draconians.