They hesitantly followed after Ensis, climbing the stairs one step at a time trying to get to the top. But the closer they got to the chamber the stronger the pressure became. They were all struggling but none more so than the natives who could barely lift their heads.
Claudia saw that and called for Ensis and Rhisiat, "We need to work together, we can't make it alone. Lend me your powers, all of you!"
Both of them extended their hands towards her to send over a large portion of their internal energies. She collected them in front of her chest and summoned the black book, directly depositing it all inside along with some of her own.
The book flung open and a semi-transparent bubble was erected around them, removing over half of the pressure in one go.
"Keep close, you will be fine as long as you stay inside the protection radius," Claudia informed them while slowly moving up.