Now that some of godfathers underlings have joined thrax where to meet to plan out their attack of frank?

The new members of Thrax should hold a secret meeting in a discreet location, preferably away from prying eyes and ears. An abandoned warehouse, an underground club, or a remote cabin could be suitable places to plan their attack on Frank. It is essential to ensure maximum security and secrecy to avoid detection by law enforcement or Frank's associates.