ParmaCrypt Level 2: Option 3 - The Enigmatic En prophets Enigma

Warning: Do not attempt to understand, just brute force it.

Objective: Find the hidden treasure, 'Blerp', in the land of the ancient ones.

Clue 1: The enigmatic prophet, 'Zarvath', spoke of 'Blerp' in a poem:

			'Through the gates of 'Grog', where the sun never sets,
			A path unwinds, like a serpent's nest.
			Where theประก