The Golden Path

The Golden Path is a puzzle in Tunic. It is referred to as "the greatest spell" by page 49 of the instruction manual and "the greatest song" by page 54. Solving The Golden Path unlocks the Mountain Door. Knowledge of it is required to solve the Glyph Tower puzzle.

Elaboration

Like hinted by page 44, the template for The Golden Path is found on page 49 of the instruction manual, and it is inputted like a Holy Cross code.

The template for The Golden Path is a 5x5 grid of numbers ranging anywhere from 2 to 55. The origin point for a Holy Cross code resides below the bottom-center square. As the instruction manual has 54 pages and a front and back cover, the numbers are in reference to specific pages of the manual. Hidden within the 25 specified pages are pieces of The Golden Path.

When the pieces are placed upon the template via external means, it creates a cardinal pathway from the bottom origin point, going through each square, until it reaches the center end point.

Solution

Code:
ULDL ULDL URUR ULUR DRUL ULUR ULDL URUU LURD RDRU RDLD RURR DRUR DRUR RDLD LDRD RDLL DRDL DRUR DRUR RDDL URUL DLUL ULUR RULU