The Unveiling Ceremony

At the beginning of your end step, if you
sacrificed three or more clues this turn,
transform The Unveiling Ceremony.
"I've tracked its location to here. Some, long forgotten
place. Damned to be exiled on the edge of the world.
Was it to keep something trapped inside or to keep the
rest of the world safe from this abysmal malice and coldness that radiates from within. I can't turn
around now, my vengeance isn't fulfilled."