Purify and boost a unit by 12, then Infuse it with "Once both players have passed, damage self by 12".
Purify: Remove all statuses.
Infused: Status that adds effects or categories to a card. Removing the status also removes all added effects and categories. Lock disables Infused abilities.
It is the duchess's exclusive privilege to delight in the prized, oaky flavor of Sangreal... A pleasure she partakes in very, very often.