Is there an overview about lever bosses with mechanic and protection advice for returning players?

Question

Hi! I'm looking for a quick overview for new and returning people that need an extra of information about lever bosses, there mechanics and protection equipment which is recommanted.  
 

Answer 1

Each lever boss has its own mechanic and protection.
Either specify wich one we're talking about, or try the wikias or youtube for extended info, i guess.