The acquisition of Hallowed Bars in Terraria involves defeating specific bosses after triggering Hardmode. Specifically, these bars are obtained as drops from the mechanical bosses: The Destroyer, The Twins, and Skeletron Prime. Upon defeating any of these bosses for the first time in a world, the player will receive a substantial quantity of the bars. Subsequent defeats of these bosses will yield additional, though generally smaller, amounts.
Hallowed Bars represent a significant progression milestone within the game. They are a key ingredient in crafting powerful weapons, armor, and tools that are essential for tackling later-game challenges. Their presence signifies a player’s advancement and ability to overcome increasingly difficult encounters. The introduction of these bars provided players with new goals and crafting possibilities, enriching the overall gameplay experience.