The way I have developed my “batterie” is to either adapt the knives I have, or update to meet new challenges. An important aspect of that is adapt to changing demands–and availability of materials–according to cost-benefit realities.
My “founding” knives were very inexpensive–so I could easily justify an upgrade at first: my Wusthof Classic Ikon Chef’s knife cost $100, but I was able to justify it for the broad range of tasks it could afford.
There were any number of knives that could be upgrades to my Seki Magoroku nakiri in cost, but I felt that I could team it with my Wusthof adequately through repurposing. So, from the beginning, it was repurposing or upgrading within a budget:
Ray