When they entered slowly, it was because the passage wasn't straight.
The two were cautious, fearing they might accidentally trigger some mechanism and expose their location, so they slowed down their exploration.
Now, retreating without scruples, they emerged in half a minute.
Yang Yan had tested it; the light curtain had no reaction to inanimate objects.
Yang Yan and Ao Tian suppressed their vitality; blood, bodily functions—all of it wasn't a problem.
However, the surface skin still had traces of vitality or life force.
It could likely trigger the light curtain's alarm system.
At this time, simply covering themselves with ice blocks was enough.
When they appeared before the light curtain again, a layer of water veil now enveloped their bodies.
Without much hesitation, they calmly passed through the light curtain one after another.
Inside, the two exchanged smiles, the water veil fell off instantly, evaporating into vapor.
