This is a rendezvous of distinctly unique individuals. Some were responsible for strong weapons and others responsible for maintaining the wealth. There were also those who were extremely poisonous in nature and those who were responsible for maintaining life. The first individual was responsible for ensuring the abundance of water. The Greeks were responsible for this. The Germans ensured that the centre of the gathering was occupied by a troublesome individual. Each individual earned their position only due to their inherent nature.
What am I talking about?
As in my previous question, this riddle also indirectly means something.