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Lace up your boxing gloves and prepare to step into the arena with Luka, the brand new 4-star Physical Nihility character released in the second phase of the version 1.2 update. He’s sure to elevate your teams inHonkai: Star Rail, delivering explosive punches that can take down even the toughest opponents. And with his DoT capabilities, he’s also an ideal teammate if you’re aiming for Kafka, who’s releasing on the same banner.
Related:Honkai: Star Rail - Ascension And Trace Materials for Kafka

However, greatness doesn’t come without effort. Like any champion, Luka requires the right preparation and training. From ascension materials to trace level-up essentials, here’s what you’ll need to transform your Luka into a heavyweight champ.
Luka Ascension Materials
Whenever you snag a new character like Luka in Honkai: Star Rail, you’ll have the opportunity to level them up to 80. This process is structured into different ascension phases, witheach phase growing progressively more costly. Here are all the materials you’ll need to navigate these phases and fully ascend Luka:
1

20
-
3,200
2
30
6,400
3
40
12,800
4
50
32,000
5
60
64,000
6
70
128,000
50x Broken Teeth of Iron Wolf
246,400
Should you find yourself running low on the necessary mob drops,why not try your hand at theSimulated Universe?
Not only does it offer an enjoyable method for accumulating more Mob Drops, but it also rewards you with a host of valuable weekly rewards.
You canacquire Luka’smob dropsby fighting various Automaton and Fragmentum enemies within The Undergroundon Jarilo-IV. Additionally, theBroken Teeth of Iron WolfAscension Material can be obtained by successfully completing theStagnant Shadow: Shape of Spikechallenge in the Great Mine area of Jarilo-VI.
Luka Trace Materials
Levelling up is merely one aspect of character progression in Honkai: Star Rail. Beyond simply reaching higher levels, each character, including Luka, possessesfour primary upgradable traces: Basic Attack, Skill, Ultimate, and Talent.These are not just mere enhancements; they form the foundation of Luka’s effectiveness in battle. Here are the items you’ll need to upgrade these:
2x Obsidian of Dread
4,000
2x Obsidian of Desolation
8,000
4x Obsidian of Desolation
16,000
2x Obsidian of Obsession
36,000
6x Obsidian of Obsession
192,00
2,000
6x Obsidian of Desolation
24,000
7
8
4x Obsidian of Obsession
9
8x Obsidian of Obsession
10
11x Obsidian of Obsession
240,000
1x Tracks of Destiny
522,000
Regret of Infinite Ochema only drops from Echoes of War Divine Seed, a boss encounter that may prove too difficult if you’re a new player.
If you don’t have the right characters built to take on this fight, you canuse the Support function to temporarily borrow a stronger characterfrom either a friend or a random player.
The real strategy lies in determining which traces to prioritize. What you choose to invest in should align with what you want Luka to excel in,be it stronger upfront burst damage or more potent DoTs and debuffs.Carefully choosing which traces to enhance will allow you to shape Luka’s abilities to fit your desired playstyle without any wasted resources.
In addition to Luka’s main Traces, there areseveral minor Traces that can be leveled to further augment his capabilities, whether it be through improving his stats or granting additional passive abilities. The journey to turning Luka into a fully realized powerhouse won’t be a quick one, but once he’s fully optimized, you can expect a knockout performance!