Board Thread:Warhammer 40k General Discussion/@comment-7499389-20130407224352/@comment-66.120.29.153-20130410205228

while they could ally for a battle or a war, there could never be a true integration as the Eldar Paths are inherently incompatible with the Greater Good.

Eldar seek to experience and master as many aspects of themselves as possible, each indivdiual Eldar striving to be a combined harmonious whole.

The Greater Good dictates that each shall play the role they are best suited for. The needs of the individual subsumed into the needs of the Greater Good, parts of a larger whole.