Seeker of Dark Lung
5★ Greatsword
"A weapon equipped by Endfield operators to significantly boost their combat capabilities."
Combat Performance
Lv.99 Stats 439 MAX ATK
Attack Scaling
41 439
Where to Obtain
In-game Shop / Exchange
Upgrade Calculator
Current: Lv.1Target: Lv.99
ATK Gain
41 → 439
EXP Required
2,559,740
Gold Cost
873,010
MANUAL
Tactical Manual
PHYSICAL BRAWLERFrontline Sustain
This weapon significantly boosts Strength (STR), scaling directly with Physical Skills. Best equipped on Guards or Defenders who rely on Normal Attacks and heavy hits.
Key Passive Ability
Detonate: Seeker of the Esoteric
"Main Attribute +{primary_attr_up:0.0%}.
After the wielder ap..."
Squad Synergy
Maximize value by pairing with Breakers to strip enemy armor before engaging.
Skill Progression
Strength Boost [M]
ID: attr_str| Level | Effect Detail |
|---|---|
| Lv.1 | Strength +16 |
| Lv.2 | Strength +28 |
| Lv.3 | Strength +41 |
| Lv.4 | Strength +54 |
| Lv.5 | Strength +67 |
| Lv.6 | Strength +80 |
| Lv.7 | Strength +92 |
| Lv.8 | Strength +105 |
| Lv.9 | Strength +124 |
Ultimate Gain Efficiency Boost [M]
ID: attr_usp| Level | Effect Detail |
|---|---|
| Lv.1 | Ultimate Gain Efficiency +4.8% |
| Lv.2 | Ultimate Gain Efficiency +8.6% |
| Lv.3 | Ultimate Gain Efficiency +12.4% |
| Lv.4 | Ultimate Gain Efficiency +16.2% |
| Lv.5 | Ultimate Gain Efficiency +20.0% |
| Lv.6 | Ultimate Gain Efficiency +23.8% |
| Lv.7 | Ultimate Gain Efficiency +27.6% |
| Lv.8 | Ultimate Gain Efficiency +31.4% |
| Lv.9 | Ultimate Gain Efficiency +37.1% |
Detonate: Seeker of the Esoteric
ID: burst| Level | Effect Detail |
|---|---|
| Lv.1 | Main Attribute +5.0%. After the wielder applies an Arts Burst, ATK +6.0% for 30s. Max stacks for effects of the same name: 300.0%. Duration of each stack is counted separately. Effect only triggers once every 0.1s. |
| Lv.2 | Main Attribute +6.0%. After the wielder applies an Arts Burst, ATK +7.2% for 30s. Max stacks for effects of the same name: 300.0%. Duration of each stack is counted separately. Effect only triggers once every 0.1s. |
| Lv.3 | Main Attribute +7.0%. After the wielder applies an Arts Burst, ATK +8.4% for 30s. Max stacks for effects of the same name: 300.0%. Duration of each stack is counted separately. Effect only triggers once every 0.1s. |
| Lv.4 | Main Attribute +8.0%. After the wielder applies an Arts Burst, ATK +9.6% for 30s. Max stacks for effects of the same name: 300.0%. Duration of each stack is counted separately. Effect only triggers once every 0.1s. |
| Lv.5 | Main Attribute +9.0%. After the wielder applies an Arts Burst, ATK +10.8% for 30s. Max stacks for effects of the same name: 300.0%. Duration of each stack is counted separately. Effect only triggers once every 0.1s. |
| Lv.6 | Main Attribute +10.0%. After the wielder applies an Arts Burst, ATK +12.0% for 30s. Max stacks for effects of the same name: 300.0%. Duration of each stack is counted separately. Effect only triggers once every 0.1s. |
| Lv.7 | Main Attribute +11.0%. After the wielder applies an Arts Burst, ATK +13.2% for 30s. Max stacks for effects of the same name: 300.0%. Duration of each stack is counted separately. Effect only triggers once every 0.1s. |
| Lv.8 | Main Attribute +12.0%. After the wielder applies an Arts Burst, ATK +14.4% for 30s. Max stacks for effects of the same name: 300.0%. Duration of each stack is counted separately. Effect only triggers once every 0.1s. |
| Lv.9 | Main Attribute +14.0%. After the wielder applies an Arts Burst, ATK +16.8% for 30s. Max stacks for effects of the same name: 300.0%. Duration of each stack is counted separately. Effect only triggers once every 0.1s. |
Refinement Bonuses
1
Refinement 1
Skill 3 +1
2
Refinement 2
Skill 3 +2
3
Refinement 3
Skill 3 +3
4
Refinement 4
Skill 3 +4
5
Refinement 5
Skill 3 +5
Breakthrough Materials
| Phase | Level Cap | Cost | Materials |
|---|---|---|---|
| Phase 1 | Lv.20 | 2,200 G | Cast Die x5 Kalkonyx x3 |
| Phase 2 | Lv.40 | 8,500 G | Cast Die x18 Auronyx x5 |
| Phase 3 | Lv.60 | 34,000 G | Heavy Cast Die x27 Umbronyx x5 |
| Phase 4 | Lv.80 | 155,000 G | Heavy Cast Die x50 D96 Steel Sample 4 x36 Igneosite x8 |
Recommended Operators
Common Questions
Is Seeker of Dark Lung worth upgrading to Level 99? ▼
Yes, as a 5-Star Greatsword, Seeker of Dark Lung offers significant stat scaling. Maxing it out is recommended for endgame content if you have a compatible character.
How do I get Seeker of Dark Lung? ▼
Seeker of Dark Lung can typically be obtained through the Weapon Gacha Banner or crafted via the Factory system (check in-game availability).