xasterix, I really like your kris!
I have always been intrigued by the similarities between Moro twist core kris and spears and early to mid medieval European pattern-welded blades. In the European material, the central pattern-welded panels may be full thickness twisted, stacked rods or very frequently applied as a veneer over an untwisted core.
I
previously presented an example of a kris, that with the benefit of having it in hand, did appear to be made with twisted, stacked full thickness rods.