Douluo: I don't know how to use hidden weapons

Introduction: Tang San is a standard routine protagonist, with a dead mother at the beginning, a blood feud, and a life of poverty with his father. Saying no to trouble is uncomfortable for Ski.If it wasn't for the protagonist, it would have been over long ago!The problem is me, Tang San, an otaku who doesn't know hidden weapons, doesn't know Tangmen martial arts, and has even more learning ability!How can I live in the face of a lot of troubles!