The combined attacks leave their mark on the remaining enemies. They start to vibrate. Sparks begin flying in a frenzy, until...

BOOM!<

Bits of metal scatter through the air, though Papyrus tries his best to deflect the brunt of it with a well-timed Bone Barrage.

Once the air clears, another hatch opens. Another ladder giving them easy access to the next and final floor.

Panting heavily, Papyrus switches from Cool Scientist to Chemist temporarily.

"BEFORE WE PROCEED, PERHAPS WE SHOULD HEAL! WE STILL HAVE ONE FLOOR LEFT, AND THERE'S NO TELLING WHAT AWAITS US NEXT..."

So he'll go ahead and start by mixing an Ultra Potion to share with the others.

Interestingly, it would seem that a little slip of paper has drifted down amidst the wreckage. It reads...

Three faces. Three treacherous phases.

Brute strength, magical malice, invulnerability and healing to stave off the impending assault.

Its faces controlled by ancient stone. Tread carefully, those who seek the final key.