Done defeating the dragon (final boss) after collecting the talismans on normal difficulty just 2 days ago.
I got killed a few times before beating the game on my 3rd attempt together with my brother. Apparently, Continues cannot be used during the final boss battle.
Elf artwork for clearing the game once with her.
Hard difficulty, colliseum (PVP) and Labyrinth of Chaos were also unlocked after completed the game for the first time. However, I went back to normal difficulty for the time being, trying to clear up quests as more have been popping out.