Adventure Island Dr. Drang's Notepad

After completing the Password Authentication quest, enter the unknown underground passage that connects the two, and there is a nether well on the right wall of the second level, which is where you enter the Institute. Go inside and research for yourself how to get there, because it's not clear... When you get there, click on the magic formation in the center in the order of top, left, right, and center. Finally, go back to the ice and find Alcaster to turn in your quest