Myr - Fire Obsidiant
From my personal project of Myr:
The Fire Obsidiant, a specialized type of obsidiant with the role of field artillery.
For the lore ->https://sites.google.com/view/myr-worldbuilding/myr/alchimie-organique/obsidiants
Comparison with the first version of the idea made a year ago, which was put aside since I was unsatisfied with it