The only danger Zhang Yi could pass that he couldn't even escape was if he met an enemy of the same level as Elder Du, but that was very difficult to do in the low-level Sword Sect territory that Zhang Yi was with Elder Du always Checking the mission details earlier was even more impossible.
So Zhang Yi gained much more the trust of the Sword Sect deacons and Du Chen and Li Tang also achieved the same, elder Du even mentioned to Zhang Yi particularly if he wanted to go to the territories where the sect was stronger than it was most desired by the disciples of the sect.
Normally this was not possible until Zhang Yi reached the realm of soul refinement, but everyone knew that even being a genius like him would take at least another 15 years to do so.
