Hardcode mode was introduced with World of WarcraftClassic...Blizzard addressed the issue on the World of Warcraft forums saying that it is aware of the targeted nature of the DDoS attacks and are taking steps to rollback some player deaths ... .
World of WarcraftClassic got hardcore realms in 2023 as a way of giving players an additional challenge in the form of permadeath ... World of Warcraft has been the victim of sustained DDoS attacks for several weeks.