Actually, Li Yelai could have chosen a much easier method to complete this challenge.
Their goal was to bring back items of sufficient value, and the best choice would have been the Taboo Items.
Next in line were those powerful technological creations from the mysterious warships.
All of these could have enabled Li Yelai and Jing Lin to complete the challenge and gain access to the Fourth Ring Seat.
And Zhao Gang himself possessed Taboo Items, willing to provide them for the two.
The fleet had set sail with three Taboo Items.
Though two were lost afterwards.
But they still retained an Emotion Pocket Watch that could alter a target's emotions. Its purpose was to ensure the psychological health of the warriors, yet it could not resist corruption.
During the exploration of the Dead Sea Wreck, the survivors also found several Taboo Items.