The Expertise stat dramatically alters the way Debuffs affect you as well as your enemies Lost Ark Gold. Expertise prolongs the time of Debuffs if they are cast on enemies and increases the damage of Stagger effects. It also reduces the time of the Debuffs cast upon you.
A Specialization statistic is exclusive to your particular class. Every ability, class skill types, or unique types of damage are enhanced when you put points into Specialization. For instance, The Specialization point for Paladin sub-class boost the efficiency of Holy Aura, the rate that you can increase the Piety meter, as well as the damage from Awakening. Check out the Specialization portion of your Character Profile to see how it impacts your particular class.
From challenges to free-roaming, you'll never be able to test your skill to the max in Lost Ark. In the end you'll be required to fight world bosses. These are formidable creatures that appear in certain areas of the map.
World bosses are more powerful than normal monsters, and they're unlikely to always be on the move. When a world boss dies it can take up to 30 minutes to respawn. If you're unable to locate a world-class boss in its dedicated spawn the first time Cheapest Lost Ark Gold, it may be necessary to return afterward or wait for a while to be the first person to knock it down in the event that it respawns.