>>3368176The steel is extremely well processed and japanese blacksnitgs may be better than european ones.
But the steel with which they worked had very low quality.
Using european steel, a katana could be extremely good, but it's still mostly for cutting down people, who use light armor or no armor at all, while european swords were made to slash through plate armor.
A Katana is very sharp and needs a lot of skill to make.
But a longsword is simply more effective and versatile.
