Slumped glass-drop
It ran like wax while the walls burned, and set halfway to the floor.
Vendor trash. Nothing in the game wants it: no recipe, no enchant, nothing to wear. Stacks in one inventory slot. Vendors pay 380 coins for it.
What drops it
Glasswright
1 in 5
Rolled on its own rather than from the loot table, so it takes nothing away from anything else that falls off it.
What it trades for
No trades in the last 30 days.