Blade built into Malenia's prosthetic arm. Through consecration it is resistant to rot. Malenia's war prosthesis symbolized her victories. Some claim to have seen wings when the weapon was raised ...
Remembrance of Malenia, Goddess of Rot, hewn into the Erdtree. Miquella and Malenia are both the children of a single god. As such they are both Empyreans, but suffered afflictions from birth.
The second phase, which always opens with a big Rot AoE attack, is somehow even easier. Malenia goes down in just three hits. I know we're all obsessed with Consort Radahn fights now, but Malenia ...