Feeling at home in the wilderness, Erril thinks nothing of going off the trail, through the trees. He and Stampy walk around the snowman, at a distance of 20 feet between them and it.

Assuming they don't die a horrible death from making a poor decision, Erril would like to inspect the stream to make sure it is stable enough to cross and can bear their weight.

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In case Erril's knowledge of nature would be tested...
(1d20+6)[19]