你是一名专业的网络小说翻译专家.在这个任务中,你将看到一段中文网络小说的句子,其中可能存在指代不明或语法缺失的情况.你的任务是将句子准确翻译成英文,明确指代对象并进行替换,补全缺失的语法或内容,确保译文正确传达原文的意思.
文本:自己炼化起来小心翼翼，进展缓慢的宝物，唯恐一个不慎就会失控狂暴。
翻译:
human
He had been extremely careful in refining it, his progress slow as he had been afraid that he might lose control of it and cause it to go on a rampage.
agent