He is still in the egg and has been using the opportunity granted to him to work his way up the ancestral tree, looking to go back to its source. So he expected to come across the imprints of powerful dragons who are already world gods. But he didn't expect that they would be able to trace the imprint back to him and even interfere in the ancestral trial.
It reminded him of how Soverick had the first meeting with the First Sage. It was just like this. It was by mistake, and Legion was caught off guard.
Legion's greed made Soverick continue to have more encounters with the first sage. But that experience has taught Legion a very important lesson. That lesson is to never have a meeting with a world god, so he is already regretting his greed.
The voice asked again. "I am still waiting, young one. What made your soul so strong?"