刚看到官网上说...
We know that you have been telling all your friends about HoN. Now you have the ability to let your friends enjoy the thrill of HoN without immediately throwing down the dough.
All paid accounts have received two trial keys to send. Invite your friends now, allowing them to create a new account and play 10 games for FREE!
....
求invite.
kzymon@gmail.com
好人一生平安谢谢。