Lost Ark has a lot of progression systems in-game, mostly you get progression by doing activities. An endgame gear set is basically required for the endgame game content. You have to upgrade your gear and you can upgrade your gear by going to gear vendors in any major capital in the continent. By going to the vendor it will take you to the menu, the system is called Gear Honing.
You can use harmony shards to polish your gear. You can use fragments and leap stones to upgrade your gear set this is called gear honing.
You have to kill hordes of enemies in Chaos Dungeon, you have to survive the time and do 3 rounds in order to complete. You can do chaos dungeon 2 times a day. If you miss a chance to do it multiplies and you can do the extra remaining chaos dungeons the next day. You can also get loot drops in chaos dungeon that might drop Level 302 gear items.
In guardian raids, you have to hunt down a beast to banish and get their soul. You can do these in groups and you get upgrade materials for the guardian raids. You can do these two times a day.
Procyon’s Compass has one-day events, you can do world bosses, Ghost ships that are also like world bosses but they are close to the ocean. Chaos gates are like you have to fight your way through to fight the main boss.
Islands have their own quests, you can do the island’s quests to earn upgrade materials and you can also get pirate coins by doing the quests. Islands are the less grindy way to get your upgrade materials.
Abyss Dungeons are harder than Chaos dungeons and you can do them with friends or in groups. You can do this only once a week. You get upgrade materials, gold and also stones. Stones can be used to trade for a gear set.