I’m talking about the pattern to how they attack prey. I know you can feel tremors when they approach but I was attacked too soon to guess anything else.

[More important than anything else was the intelligence the Hydra has shown. He’d seen it try to dodge his whirling blade. He might not get the drop on another one if they decide he’s food.]

...any reason why we’d be appearing? I was in space before I woke up in the sand.