World bosses are generally stronger than regular monsters and they're not always in the area. If a world boss dies it can take up to 30 minutes for it to Lost Ark Boosting respawn. If you're unable to locate a boss of the world in the spawn area that is designated to it, you may need to come back in the future or wait until you can be the first to take it down again in the event that it respawns.

Is Rudric situated in Lost Ark?

Players will find Rudric around the graveyard located within Rethramis Border. In particular, you'll need to look at the southwest side that is the burial ground.

Screengrab via Smilegate

Rudric may look like something from another world But he was an ordained priest in the Holy Sacrian Empire. When the empire was connected to dark magic and dark magic, it also became the end of Rudric.

The idea of taking on Rudric alone may appear tempting, but it is possible to buy Lost Ark Gold overcome him more quickly if you have a numbers advantage for your side. Even if the players you have with you don't necessarily have to kill Rudric in the first place, there'll always be players that want for ways to team up to beat him faster.