The throwing device Carl used to hurl Samantha; dropped the moment Emberus let her go.
The instant Samantha screamed that Emberus wasn't touching her anymore and demanded to be brought back, Carl dropped the xistera, and Samantha clunked to the ground, heavy and smoking.
She was burned ten times worse than before — Carl barely recognized her — but the delivery had worked: Emberus had thrown her into the volcano exactly as she asked, and the god was now blowing up the world.
A curved throwing scoop used to hurl Samantha at range, dropped in the ash when she comes back down.
The launcher that put Samantha into Emberus's hands and the volcano.
Also appears in books you've already read — spoiler-safe to their endings: