I have had a few people ask me about this. Please note both PCs and NPCs can do this. Here is a post from the official announcements section.
The owners have passed a new rule granting players the opportunity to purchase
an event for a second character. If you choose to make this purchase you will receive credit for the character you are playing plus 1 additional character housed in that chapter.
The following criteria must be met
1) You must attend the event.
2) The Purchase must be made prior to or during the event. You cannot purchase this after the event has ended.
3) This can only be done for characters housed in the chapter you are playing
4) You cannot purchase this with goblin stamps or dragon stamps
There is a standard cost of $20 USD or equivalent associated with this purchase.
Example: Fred is playing his character "Avr" for the weekend, he also has a character housed in the chapter he is playing named "Bvr". During Friday night logistics Fred decides he would like his character "Bvr" to receive credit for the event as well as his character he is playing "Avr". He pays logistics $20 and requests "Bvr" receives experience for this event as well.
The owners have passed a new rule granting players the opportunity to purchase
an event for a second character. If you choose to make this purchase you will receive credit for the character you are playing plus 1 additional character housed in that chapter.
The following criteria must be met
1) You must attend the event.
2) The Purchase must be made prior to or during the event. You cannot purchase this after the event has ended.
3) This can only be done for characters housed in the chapter you are playing
4) You cannot purchase this with goblin stamps or dragon stamps
There is a standard cost of $20 USD or equivalent associated with this purchase.
Example: Fred is playing his character "Avr" for the weekend, he also has a character housed in the chapter he is playing named "Bvr". During Friday night logistics Fred decides he would like his character "Bvr" to receive credit for the event as well as his character he is playing "Avr". He pays logistics $20 and requests "Bvr" receives experience for this event as well.