In Yan Yu's view, the three choices Lin Ning had were all passable, representing a standard type and not an overwhelmingly powerful must-have like the "Two-handed Sword Control Technique."
Considering he had just acquired the Two-handed Sword Control Technique and would teach it to Lin Ning upon his return, he should have let her choose the Duan Yu Hook Sword, which would allow her to start practicing the two-handed technique right away.
But then he suddenly remembered the woman in green from the Mirror Lake Divine Palace.
She wielded a pair of swords, one of which was clearly the Green Bamboo Sword, while the other emitted a dark red light, supposedly a fire-attributed Flying Sword — and as for the Duan Yu Hook Sword, just by its name, one could tell it was metallic.