Learning a Guardian's moveset can be one of the trickiest things you'll encounter at the start of your Lost Ark endgame journey. Defeating these Guardians can be a real challenge to newcomers, but the rewards are more than worth it.
Related: Lost Ark: Tier 1 Endgame Guide
Lumerus is the second Guardian boss you'll fight in Lost Ark, serving as a step up from Ur'nal. His attacks are slightly faster, cover a wider range, and have more pronounced telegraphs. We'll be going over how this fight works, what gear to bring, and give some tips on how to survive Lumerus' onslaught of ice attacks. Let's start by covering the basics of this fight.
Similar to Ur'nal, you'll only need HP potions and flares for this fight. HP potions will be your main source of healing—your only source if you lack a support—and flares allow your team to quickly find the boss. If your team is still struggling to down this boss, have each person bring Dark Grenades. These pack a serious punch and deal extra damage to Lumerus. All of these items can be crafted at your stronghold.
Lumerus is a slightly more complex version of Ur'nal, the last Guardian you fought. Unlike that fight, Lumerus features a number of ranged attacks that might catch some ranged DPS classes off guard. Bring a few movement skills, try to stay near the Guardian's back, and don't get greedy with attacks to finish this fight.
Here is every attack you can expect to see during this fight:
When you lower Lumerus' HP to 50% of so, he will attempt to leave the area and start his second phase. Lumerus is slightly stronger in phase two, combing his one-two punch and eruption attacks while hastening the cast time of his ice blast AoE. The best way to counter Lumerus is with good positioning.
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