To know that, under normal circumstances, the core members of the Holy Sect Organization are usually as elusive as a dragon, hard to trace. Merely relying on intelligence gathering can take a long time, and sometimes, misinformation or misdirection can delay matters for months or even years.
Moreover, even if Murich's whereabouts are discovered, getting close to him is not easy. After all, wherever he goes, he's always accompanied by a large number of armed followers. Once a confrontation occurs, numerous allies will immediately come to support him, and with heavy firepower, it's tough for mercenaries to handle.
