Minecraft - Snow Golems Portal

This is the 6th picture of my Snow Golems StoryLine!

Upon entering the portal room, I feel a strange sensation... I feel.. watched.
A blue Skeleton stand infront of me. He look agressive yet peaceful. "The Nether Portal was once closed by your ancestor. To reopen it, you need to solve an enigma... Succeed and the Portal will open once more..! Fail and it will be the end of both your adventure and your life..! Do you wish to proceed?" Said the Blue Skeleton.

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