Main Cores [Spoilers] (Tales of Arise)

Defeated the 5th Lord and collected the Alpha Core.
4 cores + 5 fire from Shion were laid out on the table. It turns out that the very first lord did not have a nucleus and I do not see the point then in his participation in the race and how he was generally appointed lord.
No, we were of course told that this is all one big and cunning fucking thing, but nevertheless.
If there are no spoilers, will this plot squiggle be properly explained to us?