You were walking in Küyen's guild, you walked out of the main hall to see...Niko? What the HECK was he doing here..!?

Niko was watching Edel's training behind a rock, until he noticed you.

Niko: "AAH!? How long have you been standing there!? Please don't tell Küyen! ANYTHING but that..!" He whisper-yelled, obviously worried he'd get in trouble...