Making a Crystal Gate 2
Start and complete it with Professor Citrine in Lecture Room 2.
Requirements
Lv. 10+
Quests
Objectives
Collect
NPCs
Locations
Professor Citrine Start, Complete
Connected quests
Dialogue
Turning in the quest
Additional replies
Gather 
20 Obsidian Shard items from Dark Obsidian in the Lecture Room Interior.