Grayson was born in 325 in Daria. He grew up a warrior and became an Immortal in 365 fighting the invading Goths. Found by Darius, he eventually became second in command of Darius' Armies.
When Darius beheaded a holy man at the gates of Paris he turned from war to become a peace maker. Grayson always considered this a betrayal and would stop at nothing for revenge.
You only lose three Ability when exhausting. If your opponent took damage during their last turn, during your May Do/Must Do Phase you may remove one card from your opponent's Discard from the game.