One of the many viral features of Halo 2's website was this "Send a Message to a friend" feature. Gamers could send an email message to a friend in the Covenant tongue, the relentless alien forces in Halo 2 determined to wipe out humankind. The Covenant language was developed inhouse. That scribble is Covenant code for "the time has come to reap what you sow, earthling."