What Is the Most Dangerous Scp Class

What is the most dangerous Keter class SCP?

SCP-682, also known as the Hard-to-Destroy Reptile, is an extremely dangerous Keter-class creature from The SCP Foundation. This creature is one of the few that the Foundation actually wants dead, simply because it wants to kill all life and is incredibly dangerous.

What SCPs class is safe?

safe class -> very easy to contain, besides one safe class scp that was also dark-class. euclid class -> somewhat dangerous, not a threat to higher level beings or much stronger humans. keter class (cannot contain, not all of them are dangerous, but more dangerous than euclid)