How do you get the onyx sword in aqw?

In AdventureQuest Worlds (AQW), you can obtain the Onyx SWord by completing the "Onyx Blade" quest line, which typically involves defeating specific monsters and gathering required items. You may also need to explore certain areas or dungeons where the sWord can be found. Additionally, events or special promotions may occasionally offer the sWord as a reward, so keep an eye on in-game announcements for any opportunities. Always check the game's official wiki or forums for the most current information and detailed quest steps.