The Empress of Light is significantly more difficult than many of the hardmode bosses however, so you’ll need to stock up on the most powerful drops you can find.

How To Summon The Empress of Light can be summoned by killing a Prismatic Lacewing butterfly. These rare critters only spawn at surface-level Hallow at night, between 7:30 pm and 12 am.

In this case, Empress of Light is exactly what you are looking for in Terraria, so be aware not to miss this merciless boss. CHECK THIS OUT: Does Terraria 1.4 Journey's End Console Update Have A ...