Laz was hurt, but not enough to endanger his life. With Jill's help, he was back on his feet in no time. Unlike the last time they entered, he didn't lead the way. This time, things were going to be all about Maia, Sylvia and Ivana.
Laz was just a side character.
As such, he was able to observe what was going on.
The entrance way hadn't been repaired, instead some boards of wood and lengths of fabric had been thrown up in an effort to keep the elements out.