"...And it seems the news of their deaths has already been passed on."
Adam waved Kanbi off, then asked the devil through the contract, "What happened? I shouldn't have damaged their souls."
"There was a layer of protection around their souls. It automatically resisted the signing of the contract, and once it found the contract's power couldn't be withstood, it took the soul and blew itself up." The devil scratched at its tail, then went on, "They seem to be a race that carries inheritance knowledge. But that's strange — inheritance knowledge shouldn't have a function like that."
"Inheritance knowledge? You're certain?"