Question: how did bellatrix get the sword of gryffindor?
Answer: Following that incident, Severus Snape passed the counterfeit sword to Bellatrix Lestrange. Bellatrix then stored it in her Gringotts vault alongside Helga Hufflepuff's cup, one of Voldemort's Horcruxes. ... Ron Weasley came to Harry's rescue, retrieved the sword from the lake and used it to stab the locket, destroying it.