It'd be neat to hear a dev chime in on this, but I think this might be a connection issue. The JobBOSS client and servers are constantly firing a stream of UDP packets back and forth which contain information like character mana and HP totals, current buffs and debuffs, XYZ location of characters and mobs, etc.
If some of these packets get routed off to Timuktu and back, the server will temporarily think your character is back in an old location which happens to be in a mob's hit box. The question is, how well can the server discard old packets instead of doing this?
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