It seems inside the volcano there is a path. A long and winding path with the occassional wafflefall smashing into it and knocking pieces off as well as the occassional blast of syrup flying into the air and burning you if you can't dodge the drops.

The path seems to be made of the same substance (waffle) as the rest of the volcano and a quick, burning, taste would tell you that you're right.

The path is thin so it's quite easy to knock other people off and to their syrupy doom. It's advised you walk this path carefully.

It'll take about 5 posts to walk the entire path to the lair.