Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Ancient Enemies	Completed Yore Rival.
Epic Rivals	3 Star all Yore Rival.
Graveyard Smash!	3 Star all Heroes' House of Horror.
Great Odin's Raven	Completed God'a At War Campaign.
Hero of the Holiday	3 Star all Holiday A Heroing.
Pro Vampire Hunter!	3 Star all Feast for Bats Campaign.
Revenge on Dracula!	Completed A Feast for Bats Campaign.
Sand King!	Completed Pharaoh's Foray Campaign.
Sand Queen!	3 Star all Pharaoh's Foray Campaign.
Saved Xmas!	Completed Holiday A Heroing.
The Golden God!	3 Star all Gods At War Campaign.
The Good, The Bad!	Completed Westward Bearing.
The Ugly!	3 Star all Westward Bearing.
They did the Mash!	Completed Heroes' House of Horror.
Yore Getting Good!	3 Star all Welcome Heroes Campaign.
Yore Learning!	Completed Welcome Heroes Campaign.