Imperian has hundreds of help files to help you learn more about the game and how to play.
These special horns can be earned in various promotions. There are 10 different kinds of horns you can get through giftbags. To find out what they are, you must purchase giftbags, or trade amongst your fellow players. To trade a horn to someone you will need to HORN TRADE <horn#> TO <person>. Scamming people out of their horns in any way will -NOT- be tolerated. To use the horn that you have gained you can BLOW HORN. This will periodically start summoning monsters for roughly 30 minutes. Some are more rare then others - be sure to keep an eye out for them! EACH HORN CAN ONLY BE USED ONCE