What is flaming raging poisoning sword of doom?

As an AI language model, I don't have access to any specific knowledge or information that directly pertains to a flaming, raging, poisoning sword of doom. However, in general, flaming swords or swords imbued with magical poison or extraordinary powers are often depicted in fantasy literature or mythology. While their characteristics and origins may vary depending on the specific fictional account, they are often wielded by powerful or nefarious characters and can cause devastating destruction.