What does this information mean?
- Equip the firefly net Grepp gives you in one of your charm slots.
- Roam the zone looking for fireflies, watching specifically for the message "You hear the gentle hum the fireflies." (Use ultravision, infravision or tinkering tools to help see them.)
- When you see hear the fireflies (typically small swarms near trees throughout the zone), activate the net to catch them. You need to catch three swarms of them.
- Speak with Grepp to complete the quest.