They knew the hazards coming along with being a hunter.
In a world packed with magical creatures, being a hunter was a lucrative occupation. Some considered being a hunter was a sure way (and fastest) to earn wealth, experience, and fame.
But the truth, what it came along was the uncertainty of being alive. Either way, being a hunter and doing nothing will, eventually, lead to the same thing: death.
'But not today'. If Ned could speak on behalf of Erin's existential eyes, it would be brimming of joy: 'I survive the day'. 'Not today, not today'. It's been an hour after the two left, and Erin went digging and turning stones to look for Olive Zest Herb.