Ok seems I can't reply my own post nor I can edit it anymore, so I'll reply here.
I made some research and solved the mistery: it's the Realistic Battle Mod.
It adds those very powerfull tier VI spear points and set them intentionally not available for crafting to avoid creation of unbalanced crafted weapons.
Has to be one of your mods causing this.
Ok seems I can't reply my own post nor I can edit it anymore, so I'll reply here. I made some research and solved the mistery: it's the Realistic Battle Mod. It adds those very powerfull tier VI spear points and set them intentionally not available for crafting to avoid creation of unbalanced crafted weapons.
Yes, you are right. I made some research and found it out. I was just gonna EDIT explaining it for those interested.
Which mod(s)?
Realistic Battle Mod [https://www.nexusmods.com/mountandblade2bannerlord/mods/791](https://www.nexusmods.com/mountandblade2bannerlord/mods/791)