Totem Necro change description:
" Soulbond: new skill. This passive will provide a massive damage boost to your totems, when you have one of each and they are together.
Venomcloud Totem: with a new rare unique, you may obtain the missing brother via oskill. Be ready to wreak havoc."
Does this mean that Soulbond only works once you have the 'missing brother' - meaning that 'one of each' includes Venomcloud?
It would be really painful if you have to find (and wear) a sacred unique item before a level 24 skill works, but that's what the change log seems to say.