The Shadow Hunter class was not available for the players to play. They were similar to Shamans in terms of the playstyle and background lore.
The Shadow Hunters were masters of voodoo and black magic, using spiritual powers to both heal and curse. They walked in the line of dark and light in the hope of saving and securing the future of Trollkind.
Lu Li only knew so much about Shadow Hunters because he researched them in Scarlet Library.
Knowing the background information helped them to better understand Shadow Hunter Vosh'gaijin. Lu Li informed his teammates of the relevant information about the Boss so that everyone could help brainstorm some strategies. Lu Li needed teammates that pulled their own weight; he expected them to be able to analyze and come up with their own strategies.
