Proxima is one of the World Bosses available in Lost Ark. Killing it will also grant you an entry in your adventurer's note on top of the money and gear it loots.
Even if a boss is not available right when you're in the area you might want to check the area chat as the boss could be available in an other channel.
To change channels, simply click on the CH in the top right corner of the screen and select the channel you want to join.
Where to Find Proxima in Lost Ark
The nearest Triport is that of Balankar Ranger Headquarters (Bern North)
Now that Lost Ark servers has been running for a little while now, some could be waiting for news about the new classes available in Korea, but it looks like we're not gonna get them anytime soon.
