So far as that goes, Lost Ark is 6 which has a surprising balance of classes that each bring something new to the table. You can choose to be a PvE player, a PvP player, or like to dive into each mode, it's easy enough to pick which Lost Ark class that 2 to you , and you'll learn to succeed with the classes. It's generally better selecting the class that you love playing the most over a class you aren't sure about but you suspect could better "better."
Although, I can understand if you want to go on your journey to Lost Ark with at least a slightly better understanding of where every class sits in the overall rankings. Be aware that these rankings can change based on future updates, specifics scenarios and your personal abilities and what players could learn about the class in the coming weeks, here's a quick overview of where each Lost Ark class currently stands for PvP and PvE gameplay:
The majority of the quests in Lost Ark are straightforward to traverse and complete although some are more difficult and quicker than others. Some quests provide confusing or unclear instructions.
It's the same for that Stone of Power quest. Unlocked after reaching level 50 the quest is a Roster one that means it can be completed by any character you'd like to play. The XP it earns will go toward that Roster level. It's granted by the Legendary Blacksmith in the Serenity Isle.
Although both locations you'll have to visit are specified in the description of your quest, the Locate function isn't as reliable. Here's some information to complete this Stone of Power quest.
Want to learn more about Lost Ark Boosting at https://www.mmoexp.com/Lost-ark/Powerleveling.html