
Illuga Build
Member of the investigation squad, the Nightmare Orioles. The youngest squad leader among the Lightkeepers.
Best build for Illuga
Sub-DPS / Support
4-star Geo Sub-DPS and support with Elemental Mastery as a secondary stat, which strengthens Crystallize for more durable team shields. Fits well as a flex slot in Geo teams or as an off-field reaction enabler alongside Zibai.
Illuga is the companion 4-star of the patch, designed to complement Zibai in Geo teams. His unusual Elemental Mastery secondary stat suggests that Lunar Crystallize has deeper mechanics than standard Crystallize. Preliminary build.
Frequently asked questions about Illuga
What is the best build for Illuga?
The best build for Illuga is as a Sub-DPS / Support. 4-star Geo Sub-DPS and support with Elemental Mastery as a secondary stat, which strengthens Crystallize for more durable team shields. Fits well as a flex slot in Geo teams or as an off-field reaction enabler alongside Zibai.
Which artifacts to use with Illuga?
The best artifact set for Illuga is 4× Archaic Petra. Best support Geo option. Picking up Crystallize shards gives +35% elemental damage to the whole team for 10s. As an alternative, 4× Tenacity of the Millelith also works well.
What is the best weapon for Illuga?
The best weapon for Illuga is Kitain Cross Spear. Recommended alternatives include: Favonius Lance, Dragon's Bane, Moonpiercer, Prototype Starglitter.
How to play Illuga?
Illuga is the companion 4-star of the patch, designed to complement Zibai in Geo teams. His unusual Elemental Mastery secondary stat suggests that Lunar Crystallize has deeper mechanics than standard Crystallize. Preliminary build.
Base stats
| Level | HP | ATK | DEF |
|---|---|---|---|
| 1 | 1,003 | 16 | 68 |
| 20 | 2,577 | 41 | 175 |
| 40 | 4,900 | 78 | 333 |
| 60 | 7,632 | 122 | 519 |
| 80 | 10,187 | 163 | 693 |
| 90 | 11,465 | 183 | 780 |
Ascension Materials
×1 Prithiva Topaz Sliver
×3 Pine Amber
×3 Broken Drive Shaft
×3 Prithiva Topaz Fragment
×2 Cyclic Military Kuuvahki Core
×10 Pine Amber
×15 Broken Drive Shaft
×6 Prithiva Topaz Fragment
×4 Cyclic Military Kuuvahki Core
×20 Pine Amber
×12 Reinforced Drive Shaft
×3 Prithiva Topaz Chunk
×8 Cyclic Military Kuuvahki Core
×30 Pine Amber
×18 Reinforced Drive Shaft
×6 Prithiva Topaz Chunk
×12 Cyclic Military Kuuvahki Core
×45 Pine Amber
×12 Precision Drive Shaft
×6 Prithiva Topaz Gemstone
×20 Cyclic Military Kuuvahki Core
×60 Pine Amber
×24 Precision Drive Shaft
Talents
Normal Attack
Performs up to 4 consecutive spear strikes.
Charged Attack
Consumes a certain amount of Stamina to lunge forward, dealing damage to opponents along the way.
Plunging Attack
Plunges from mid-air to strike the ground below, damaging opponents along the path and dealing AoE DMG upon impact.
| Level | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1-Hit DMG | 47.4% | 51.2% | 55.1% | 60.6% | 64.4% | 68.8% | 74.9% | 81.0% | 87.0% | 93.6% | 100.2% | 106.8% | 113.5% | 120.1% | 126.7% |
| 2-Hit DMG | 48.5% | 52.5% | 56.4% | 62.1% | 66.0% | 70.5% | 76.7% | 82.9% | 89.2% | 95.9% | 102.7% | 109.5% | 116.2% | 123.0% | 129.8% |
| 3-Hit DMG | 31.4%+31.4% | 34.0%+34.0% | 36.5%+36.5% | 40.2%+40.2% | 42.8%+42.8% | 45.7%+45.7% | 49.7%+49.7% | 53.7%+53.7% | 57.7%+57.7% | 62.1%+62.1% | 66.5%+66.5% | 70.9%+70.9% | 75.3%+75.3% | 79.7%+79.7% | 84.1%+84.1% |
| 4-Hit DMG | 76.3% | 82.5% | 88.7% | 97.6% | 103.8% | 110.9% | 120.6% | 130.4% | 140.1% | 150.8% | 161.4% | 172.1% | 182.7% | 193.4% | 204.0% |
| Charged Attack DMG | 111.0% | 120.1% | 129.1% | 142.0% | 151.0% | 161.4% | 175.6% | 189.8% | 204.0% | 219.5% | 235.0% | 250.5% | 265.9% | 281.4% | 296.9% |
| Charged Attack Stamina Cost | 25.0 | 25.0 | 25.0 | 25.0 | 25.0 | 25.0 | 25.0 | 25.0 | 25.0 | 25.0 | 25.0 | 25.0 | 25.0 | 25.0 | 25.0 |
| Plunge DMG | 63.9% | 69.1% | 74.3% | 81.8% | 87.0% | 92.9% | 101.1% | 109.3% | 117.5% | 126.4% | 135.3% | 144.2% | 153.1% | 162.1% | 171.0% |
| Low/High Plunge DMG | 127.8%/159.7% | 138.2%/172.7% | 148.6%/185.7% | 163.5%/204.2% | 173.9%/217.2% | 185.8%/232.1% | 202.2%/252.5% | 218.5%/272.9% | 234.9%/293.4% | 252.7%/315.6% | 270.5%/337.9% | 288.4%/360.2% | 306.2%/382.5% | 324.1%/404.8% | 341.9%/427.0% |
Summons the trusty messenger bird, "Aedon." Different effects are produced depending on whether the skill is Tapped or Held.
TapAedon dashes towards enemies in front, dealing Geo DMG to enemies it comes into contact with.
Hold
Enter aiming mode, and command Aedon to dash towards opponents being aimed at, dealing Geo DMG to opponents it comes into contact with.
| Level | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Press DMG | 482.6% Elemental Mastery+241.3% DEF | 518.8% Elemental Mastery+259.4% DEF | 554.9% Elemental Mastery+277.5% DEF | 603.2% Elemental Mastery+301.6% DEF | 639.4% Elemental Mastery+319.7% DEF | 675.6% Elemental Mastery+337.8% DEF | 723.8% Elemental Mastery+361.9% DEF | 772.1% Elemental Mastery+386.0% DEF | 820.4% Elemental Mastery+410.2% DEF | 868.6% Elemental Mastery+434.3% DEF | 916.9% Elemental Mastery+458.4% DEF | 965.1% Elemental Mastery+482.6% DEF | 1025.4% Elemental Mastery+512.7% DEF | 1085.8% Elemental Mastery+542.9% DEF | 1146.1% Elemental Mastery+573.0% DEF |
| Hold DMG | 603.2% Elemental Mastery+301.6% DEF | 648.4% Elemental Mastery+324.2% DEF | 693.7% Elemental Mastery+346.8% DEF | 754.0% Elemental Mastery+377.0% DEF | 799.2% Elemental Mastery+399.6% DEF | 844.5% Elemental Mastery+422.2% DEF | 904.8% Elemental Mastery+452.4% DEF | 965.1% Elemental Mastery+482.6% DEF | 1025.4% Elemental Mastery+512.7% DEF | 1085.8% Elemental Mastery+542.9% DEF | 1146.1% Elemental Mastery+573.0% DEF | 1206.4% Elemental Mastery+603.2% DEF | 1281.8% Elemental Mastery+640.9% DEF | 1357.2% Elemental Mastery+678.6% DEF | 1432.6% Elemental Mastery+716.3% DEF |
| CD | 15.0s | 15.0s | 15.0s | 15.0s | 15.0s | 15.0s | 15.0s | 15.0s | 15.0s | 15.0s | 15.0s | 15.0s | 15.0s | 15.0s | 15.0s |
Light the lamp, dealing AoE Geo DMG, and gain Haunted Night's Oriole-Song effect for 20s. When this effect is active, Illuga gains 21 stacks of Nightingale's Song. When Normal Attacks, Charged Attacks, Plunging Attacks, Elemental Skills, and Elemental Bursts of nearby active party members deal Geo DMG to opponents, 1 stack of Nightingale's Song is consumed to increase the DMG dealt. Increase in DMG is based on Illuga's Elemental Mastery. If DMG is inflicted by Lunar-Crystallize, DMG dealt will increase further.
When Geo DMG dealt in this manner hits multiple opponents, multiple stacks of Nightingale's Song will be consumed, depending on how many opponents are hit.
Additionally, if there are Geo Constructs created by nearby party members on the battlefield while Illuga unleashes his Elemental Burst, or when nearby party members create Geo Constructs while Haunted Night's Oriole-Song is active, every Geo Construct on the battlefield will allow Illuga to gain 5 additional stacks of Nightingale's Song. Within 20s after unleashing his Elemental Burst, Illuga can gain a maximum of 15 additional stacks of Nightingale's Song this way.
When all stacks of Nightingale's Song have been consumed, or when the state's duration ends, the Haunted Night's Oriole-Song effect will end.
| Level | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Skill DMG | 827.2% Elemental Mastery+413.6% DEF | 889.2% Elemental Mastery+444.6% DEF | 951.3% Elemental Mastery+475.6% DEF | 1034.0% Elemental Mastery+517.0% DEF | 1096.0% Elemental Mastery+548.0% DEF | 1158.1% Elemental Mastery+579.0% DEF | 1240.8% Elemental Mastery+620.4% DEF | 1323.5% Elemental Mastery+661.8% DEF | 1406.2% Elemental Mastery+703.1% DEF | 1489.0% Elemental Mastery+744.5% DEF | 1571.7% Elemental Mastery+785.8% DEF | 1654.4% Elemental Mastery+827.2% DEF | 1757.8% Elemental Mastery+878.9% DEF | 1861.2% Elemental Mastery+930.6% DEF | 1964.6% Elemental Mastery+982.3% DEF |
| Geo DMG Bonus | 33.6% Elemental Mastery | 36.1% Elemental Mastery | 38.6% Elemental Mastery | 42.0% Elemental Mastery | 44.5% Elemental Mastery | 47.0% Elemental Mastery | 50.4% Elemental Mastery | 53.8% Elemental Mastery | 57.1% Elemental Mastery | 60.5% Elemental Mastery | 63.8% Elemental Mastery | 67.2% Elemental Mastery | 71.4% Elemental Mastery | 75.6% Elemental Mastery | 79.8% Elemental Mastery |
| Lunar-Crystallize Reaction DMG Bonus | 225.9% Elemental Mastery | 242.9% Elemental Mastery | 259.8% Elemental Mastery | 282.4% Elemental Mastery | 299.3% Elemental Mastery | 316.3% Elemental Mastery | 338.9% Elemental Mastery | 361.5% Elemental Mastery | 384.1% Elemental Mastery | 406.7% Elemental Mastery | 429.2% Elemental Mastery | 451.8% Elemental Mastery | 480.1% Elemental Mastery | 508.3% Elemental Mastery | 536.6% Elemental Mastery |
| Nightingale's Song Stacks Gained from Elemental Burst | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 |
| Nightingale's Song Stacks Gained from Geo Constructs | 5 Per Geo Construct | 5 Per Geo Construct | 5 Per Geo Construct | 5 Per Geo Construct | 5 Per Geo Construct | 5 Per Geo Construct | 5 Per Geo Construct | 5 Per Geo Construct | 5 Per Geo Construct | 5 Per Geo Construct | 5 Per Geo Construct | 5 Per Geo Construct | 5 Per Geo Construct | 5 Per Geo Construct | 5 Per Geo Construct |
| Duration | 20.0s | 20.0s | 20.0s | 20.0s | 20.0s | 20.0s | 20.0s | 20.0s | 20.0s | 20.0s | 20.0s | 20.0s | 20.0s | 20.0s | 20.0s |
| CD | 15.0s | 15.0s | 15.0s | 15.0s | 15.0s | 15.0s | 15.0s | 15.0s | 15.0s | 15.0s | 15.0s | 15.0s | 15.0s | 15.0s | 15.0s |
| Energy Cost | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 |
Passive talents
After unleashing Elemental Skill Dawnbearing Songbird or Elemental Burst Shadowless Reflection, other nearby party members will gain the Lightkeeper's Oath effect for 20s: For Geo DMG dealt to opponents, CRIT Rate increases by 5% and CRIT DMG increases by 10%.
Moonsign: Ascendant Gleam
Party members affected by the Lightkeeper's Oath effect have their Elemental Mastery increased by 50.
Nightingale's Song's effects are enhanced: When there are 1/2/3 Hydro or Geo characters in the party, Nightingale's Song will further increase DMG. Increase in DMG is equal to 7%/14%/24% of Illuga's Elemental Mastery. If this aforementioned DMG is inflicted by a Lunar-Crystallize reaction, increase in DMG is equal to 48%/96%/160% of Illuga's Elemental Mastery.
When Illuga is in the party, the party's Moonsign will increase by 1 level.
At night (18:00 – 06:00), your party members gain the Swift Stride effect: Movement SPD increased by 10%.
Does not take effect in Domains, Trounce Domains, or Spiral Abyss. Swift Stride does not stack.
Additionally, Illuga appears to be able to decipher the whispers of the Wild Hunt...
Constellations
After Illuga triggers a Geo-related Reaction on the field, he will regain 12 Elemental Energy. This effect can be triggered at most once every 15s.
When Elemental Burst Shadowless Reflection's Haunted Night's Oriole-Song effect is active, for every 7 stacks of Nightingale's Song consumed, Illuga will summon Aedon, dealing a single instance of Geo DMG to 1 nearby opponent. The DMG dealt is based on 400% of Illuga's Elemental Mastery and 200% of his DEF. This DMG is considered Elemental Burst DMG.
Increases the Level of Elemental Burst Shadowless Reflection by 3.
Maximum upgrade level is 15.
When Elemental Burst Shadowless Reflection's Haunted Night's Oriole-Song effect is active, nearby active party members will have their DEF increased by 200.
Increases the Level of Elemental Skill Dawnbearing Songbird by 3.
Maximum upgrade level is 15.
Enhances the Lightkeeper's Oath effect of the Ascension Talent Torchforger's Covenant: For Geo DMG dealt to opponents, CRIT Rate is increased by 10%, CRIT DMG is increased by 30%.
Moonsign: Ascendant Gleam:
When characters are affected by Lightkeeper's Oath, Elemental Mastery is increased by 80.
You must first unlock the Ascension Talent "Torchforger's Covenant."





