The dwarf was staying quite long under water, much longer than Laurelata herself could do, but with the others near her, she decided to stay on guard against other things that could attack them. It wasn't because all attacks had come from under water so far, that there couldn't be any others.
"Maybe we can already go and have a look at the village itself," she suggested, "with a few of us."

Spoiler: actions and rolls
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I keep watching for other problems, trusting the others to call when they need my help.
perception roll: (1d20+7)[11]