Obsidian Shard

Template:Under Construction Template:Infobox Obsidian Shards are objects that fell from the sky...

… made of volcanic glass ... which fell from the shattered moon … https://sotawiki.net/sota/Hilt_Fortress

... imbued with magic ...

“I told you, Aren, everything has its opposite. As I represent the ancient Virtues, the magic of the shard represents dominion. You must destroy it or the Virtues will have no space to take hold, no room to grow.”

“All right,” Aren said with a sigh. “How do I destroy magic purpose?” “By destroying the great shards,” she said. “There are two: one in the place where the rivers cross, and the other in the seat of Obsidian power.”

The Eye of Scales (Pages 250-251)