Guard Post (Trap)

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The Guard Post informs your creatures of the presence of enemies. Any friendly creatures nearby will come to investigate.
This trap seems to work similarly to the Call to Arms spell, attracting your creature to the area. It also works similarly to the Alarm Trap from the original Dungeon Keeper, which attracts your creatures to the activated trap, unlike the Dungeon Keeper 2 Alarm Trap, which only alerts the player.