Looking at the new Space Marine Codex I saw that Vulkan was around three thousand years after the heresy. It is mentioned in the Character discription for the Salamander Special Character.

Apparently he spent his time making stuff and squirreling it all away for his chapter to find later, the fiend!

:blink: :rolleyes: how dare he!!!

Wow!Why would he do a thing like that? :o

because after the hersey he belived he had failed the empaoer (is that how you spell it ) and he did this so his sons would prove them worthey to the empaoer