How do I get out of the Shrine's Treasury in the simulation

Hint 1 of 6:

First, GET GOLD.

Hint 2 of 6:

Ah, a spell box. OPEN BOX and READ SPELLBOOK.

Hint 3 of 6:

KWELP spell can summons help, if you have a picture of who to summon.

Hint 4 of 6:

Look at the wall in the treasury.

Hint 5 of 6:

CAST KWELP ON FRESCO.

Hint 6 of 6:

Don't forget to get the gold before you leave !