SAO RE HF ソードアート・オンライン －ホロウ・フラグメント－ PC Part 124 Floor 85 Boss Battle with Phila Final Asuna Event Unlocked and FLisbethE Done

This weapon is untradable in Multi-Player Online by the way for those wondering about that hence why you can't duplicate it like the Master Armor from Lisbeth's Hollow Area Character quest and Master Greeves.