: Change your background to the Gravesite Background .

: Put the Carved Pumpkin Hat on the Enderwoman.

: A Carved Pumpkin Hat (crafted using a pumpkin and scissors) and the Gravesite Background (unlocked by crafting and selling a door). Step-by-Step Guide to Unlocking Mal0

: Once the climax is reached, the Enderwoman will transform into Mal0 . This action also awards you one point toward the 8-part "Halloween Ritual" achievement. The Halloween Ritual Achievement (8/8)

: Change Sheep into the secret Cult of the Lamb-themed character. 1 point : Change Enderwoman into Mal0 . 1 point : Complete all of the above.