Away or stay?

User-Controlled 001h [pen-to-paper] <idea> the Restart [imgur]

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Oh, I heard an echo. Even if it's a small minute voice coming from a distance, it was a distinct lone call to urge them to stay. So, here they are, sitting down with folded legs and the shield at the ready, just in case. Feeling the ability to relax now, the adventurer is actually hesitating to do so because of what is in front of them. The identity is still a mystery but the two lights appear to be changing sizes, one bigger and one smaller. Can an animal do that? Or is it an otherworldly creature altogether? There is still no change in their gut feeling, and since it hasn't fail them yet, so far, they would continue to trust it fully. Wait, are those birds? And are they approaching them? Should they move away or just stay still?