The interior of the cave was artificially modified into a cement tunnel, making the ground smoother and easier to traverse, yet it also made the entire space more claustrophobic.
The tunnel turned out to be longer and deeper than anyone had imagined.
Moreover, as they ventured deeper, the passageway became increasingly narrow. Initially allowing for two people to pass side by side, it soon narrowed to a point where only one person could squeeze through, and even then, it required them to sidle their bodies slowly.
The cold walls pressed against their bodies, intensifying the feeling of suffocation.
When the width reached a minimal point, and everyone had to shuffle forward side by side, a light finally appeared ahead.
Shea, leading the way, called out: "Hurry in! It seems to be a buffer zone here."
The last tiny narrow gap was even restrictive in size; if one of the five hundred sisters were here, they probably would have to use special abilities.
