What you WILL gain is recognition for your support of one of the most successful user-owned muds in the world, as well as access to a few special commands....
Donators who have given at least $10 per character will have access to the following donator-only commands:

muds : Show a list of muds in our intermud communication system
intermud : Use the intermud line to talk to people on other systems
login : Login in one of the major villages of Ancient Anguish
capname : Add special capitalization to your name
describe : Describe yourself with a custom description
soul on : Turn on the donator soul, type "help alt_soul" for details
soul off : Turn off the alternate soul
dsoul : Create custom feelings (see "help dsoul")
email : Redirect your email (see "help email")

Donators who have given to support the community since 1993.