Tank You, Dark Knight I
“Complete 50 dungeons (lv. 61 and above), extreme trials (lv. 61 and above), unreal trials, high-level duty roulette dungeons, or duty roulette leveling duties as a dark knight.
※Each roulette only counts with daily award bonus.
— In-game description
Tank You, Dark Knight I is an achievement.
Notes
The following duties count for this achievement:
Dungeons (lv. 61+)
Extreme Trials (lv. 70+)- Unreal Trials
Duty Roulette: High-level Dungeons (once per day, when the daily bonus is active)- Duty Roulette: Leveling (once per day, when the daily bonus is active)
Normal Raids (lv. 70+)- Savage Raids (lv. 70+)
- Alliance Raids (lv. 70+)
Additional notes:
- Unsynced and undersized party runs of the qualifying duties will count toward this achievement.
Duty Support and 
Trust dungeon runs will not count toward this achievement.
Strategy
A common strategy to farm these tank achievements is hosting Party Finder groups of all-tanks for Deltascape V3.0 (O3N), as the duty can be cleared quickly.
Players can also progress the achievements A Tankless Job I (Dark Knight), A Tankless Job II (Dark Knight), and But Somebody's Gotta Do It (Dark Knight) at the same time by focusing on Extreme Trials (lv. 70+), Normal Raids (lv. 70+), and Savage Raids (lv. 70+).
Related Achievements
| Name | Points | Task | Reward | Patch |
|---|---|---|---|---|
 Tank You, Dark Knight I
|
5 | Complete 50 dungeons (lv. 61 and above), extreme trials (lv. 61 and above), unreal trials, high-level duty roulette dungeons, or duty roulette leveling duties as a dark knight.
※Each roulette only counts with daily award bonus. |
- | 4.0 |
 Tank You, Dark Knight II
|
10 | Complete 100 dungeons (lv. 61 and above), extreme trials (lv. 61 and above), unreal trials, high-level duty roulette dungeons, or duty roulette leveling duties as a dark knight.
※Each roulette only counts with daily award bonus. |
- | 4.0 |
 Tank You, Dark Knight III
|
20 | Complete 300 dungeons (lv. 61 and above), extreme trials (lv. 61 and above), unreal trials, high-level duty roulette dungeons, or duty roulette leveling duties as a dark knight.
※Each roulette only counts with daily award bonus. |
 Battle Panther Bell
|
4.0 |
 Tank You, Dark Knight IV
|
20 | Complete 500 dungeons (lv. 61 and above), extreme trials (lv. 61 and above), unreal trials, high-level duty roulette dungeons, or duty roulette leveling duties as a dark knight.
※Each roulette only counts with daily award bonus. |
 Of Unyielding Principle
|
5.0 |
 Tank You, Dark Knight V
|
20 | Complete 700 dungeons (lv. 61 and above), extreme trials (lv. 61 and above), unreal trials, high-level duty roulette dungeons, or duty roulette leveling duties as a dark knight.
※Each roulette only counts with daily award bonus. |
Of Unbreakable Principle
|
6.0 |
 Tank You, Dark Knight VI
|
20 | Complete 900 dungeons (lv. 61 and above), extreme trials (lv. 61 and above), unreal trials, high-level duty roulette dungeons, or duty roulette leveling duties as a dark knight.
※Each roulette only counts with daily award bonus. |
Of Untarnished Principle
|
7.0 |