The second tip is crucial for PvP players specifically from jack's blog

The classic "Holy Trinity" comprised of healer, tank, and DPS the way you've seen it from MMORPGs such as Final Fantasy 14 and World of Warcraft however, isn't found for Lost Ark. The classes, instead, are split in DPS as well as support. Support classes, like the bard can benefit from a few healing spells, in group content, players must utilize their own healing spells to stay alive. There are two pieces of this in Lost Ark. 

We have potions that can restore a certain amount of life points. The second kind of healing potion replenishes specific percentage from your points. It is not a viable option in dungeons or raids, this is the reason you should utilize them mostly for quests. However, you should keep the potions that heal a certain percentage for raids and dungeons mentionedearlier, as they are the only method in order to refill life points. So if you waste these when you reach level 50. you'll need to buy them expensively at auction or make them yourself.

Expands the range of your view

The second tip is crucial for PvP players specifically. You can set an aspect ratio of 21:9 in the settings of the game even when you don't have the correct monitor. The game will appear by two black bars at either the upper or lower end of the monitor and your horizontal viewing will increase significantly. This could mean the difference between life and death on the battlefield, especially when fighting classes like the sniper. It has an impressive range and certain skills.

Get your Awakening skill

Once level 50 has been reached, each class is granted access to the "Awakening Skill". This can be thought of as a type of final ability that has the appropriate, lengthy time limit. To gain access to this power all you have to do is travel to Trixion and take the quest given by Beatrice Cheap Lost Ark Gold. As the game progresses, each of the classes receives two more Awakening skills, but you can only activate one at any given time.