This bug is horrendous if you reforged Radzig's before game end.
Here's how you generate a fresh Henry's Longsword to reforge.
code:
wh_cheat_addItem c76ac5ec-7600-47e0-b256-e982cfed06b4
#player.soul:AddPerk("2dd0b89c-4e60-405b-8d82-04e9538f4b54")
Timestamps:
00:00 Intro
00:27 Bug Fix