A bonus for preordering Empires of the North : Wrath of the Lighthouse from the publisher. 4 Workers In Training tiles. Worker in training tile gives another action choice to the player. During the setup, place the 4 workers in training tiles in the middle of the game area. On their turn, as an action, a player may assign 2 workers to one of the tiles and then place that tile in their Empire. During the cleanup phase, players return 1 worker to their supply.