Luka 
Nihility The boxing champion in Belobog's Underworld, and one of Wildfire's most capable fighters. The consecutive reigning champion of the Fight Club, whose enthusiasm inspires children of the Underworld to dream big.
HP
ATK
DEF
SPEEDBleed Debuffer
Best Light Cone
Luka Best Stats
Luka Best Substats
Luka Best Relics
Luka Best Teams
F2P DoT Luka
A Free-to-Play friendly Luka DoT team. Luka supports DoT playstyle while Serval is the Lightning DPS applying Shock DoTs. Asta adds SPD and Burn applications; Natasha provides defensive healing.
Luka Kafka DoT (Best)
Luka's optimal DoT team. Kafka is the main DPS that triggers DoTs, Ruan Mei boosts Break Efficiency and delays Break recovery, and Huohuo heals to sustain the party.
Physical Luka
A Physical-focused Luka team. Silver Wolf is central for implanting Physical weakness so Physical DPS (like Sushang) can deal increased damage. If the enemy already has Quantum weakness, Silver Wolf can guarantee a Physical weakness.
Skills
Deals Physical DMG equal to 0.5% of Luka's ATK to one designated enemy.
Deals Physical DMG equal to 0.6% of Luka's ATK to one designated enemy target. In addition, there is a 1% base chance to inflict Bleed on them, lasting for 3 turn(s). While Bleeding, the enemy will take 24% of their Max HP as Physical DoT at the start of each turn. This DMG will not exceed more than 1.3% of Luka's ATK.
The base chance of applying debuffs to targets hit. The final probability is affected by the attacker's Effect Hit Rate and enemy targets' Effect RES.
Receives 2 stack(s) of "Fighting Will," with a 1% base chance to increase one designated enemy target's DMG received by 12% for 3 turn(s). Then, deals Physical DMG equal to 1.98% of Luka's ATK to the target.
The base chance of applying debuffs to targets hit. The final probability is affected by the attacker's Effect Hit Rate and enemy targets' Effect RES.
After Luka uses his Basic ATK "Direct Punch" or Skill "Lacerating Fist," he receives 1 stack of Fighting Will, up to 4 stacks. When he has 2 or more stacks of Fighting Will, his Basic ATK "Direct Punch" is enhanced to "Sky-Shatter Fist." After his Enhanced Basic ATK's "Rising Uppercut" hits a Bleeding enemy target, the Bleed status will immediately deal DMG for 1 time equal to 0.68% of the original DMG to the target. At the start of battle, Luka will possess 1 stack of Fighting Will.
Traces
Eidolon
When Luka takes action, if the target enemy is Bleeding, increases DMG dealt by Luka by
If the Skill hits an enemy target with Physical Weakness, gain
Skill Lv. +2, up to a maximum of Lv.
For every stack of Fighting Will obtained, increases ATK by
Ultimate Lv. +2, up to a maximum of Lv.
After the Enhanced Basic ATK's "Rising Uppercut" hits a Bleeding enemy target, the Bleed status will immediately deal DMG 1 time equal to