But the Master always insisted on the ancient method, requiring disciples to overcome the Trial of Slaughter on their own. He believed that elixirs and cultivation techniques were ultimately external aids, not to be over-relied upon. One must surpass the initial difficulties in the quest for the Dao on their own, so that the path ahead could be smooth, leading to the great Dao. Besides, only a grandmaster of the alchemical Dao like the Master could refine the Spirit Jade Marrow. It was his own treasure, and if he didn't want to casually bestow it to cleanse the marrows of ordinary disciples, no one else could say anything.
So you must have guessed it by now, it isn't impossible that among the disciples of our sect, some harbor resentment and even violate the sect's rules, deliberately aiding Li Country's spies to sabotage the root of our vital energies."
Li Fan started to speak, then stopped himself.