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The Underkeep
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The Underkeep
- Level
- 100
- Item Level
- 705
- Difficulty
- Normal
- Party size
- Light Party
4 man • 1
1 
2 
- Unsyncing
- Not Allowed
- Time limit
- 90 minutes
- Duty Finder
- Dungeons (Dawntrail)
- Roulette
- Expert
- Tomestones
80 
50 - Req. quest
Descent to the Foundation- Entrance
- Solution Nine (X:10.9, Y:3.2)
- Modes
- Duty Support, Trust, Explorer
- Trust EXP
- 0
- Patch
- 7.2
“In the waning days of the old kingdom, the people of Alexandria sought a way to survive as their home sank beneath the earth. They built a towering structure that enveloped the royal castle itself, and as the long years came and went, Everkeep grew to soaring heights. Yet some whisper that the castle has withstood the ravages of time, and in the city's foundation endures as a symbol of bygone glory. From within those timeworn depths Calyx sends his transmissions, and you must delve into Alexandria's past to ascertain their source.
— In-game description
The Underkeep is a level 100 dungeon introduced in patch 7.2 with Dawntrail.
Objectives
- Party member selection is available.
| Wuk Lamat | G'raha Tia | Krile | |
|---|---|---|---|
|
|
| |
| Class |   Intrepid
|
   All-Rounder
|
 Pictomancer
|
| Role | Tank or DPS | Any | DPS |
Enemies
- Sandcake
- Underkeep Hornfly
- Underkeep Sandworm
- Underkeep Myrmecoleon
- Underkeep Lizard
- Underkeep Cingulata
- Bygone Sentry
- Bygone Alpha Sentry
- Bygone Subrunner
- Bygone Electrohound
- Bygone Laser Cannon
- Bygone Terror Knight
- Bygone Roadripper
Bosses
Note that failing any mechanics in these fights will result in the player who failed them receiving a 1 minute stacking 
Vulnerability Up debuff.
Gargant
- Chilling Chirp: Party-wide magical damage.
- Almighty Racket: The boss will face a random player and use a late telegraphed 180 degree frontal cleave. Get behind.
- The boss will then become untargetable, jump outside the arena, and begin crawling around. Take note of its location, as the sand falls will obscure it. When it stops (always behind a sand fall), it will re-emerge and use a late telegraphed wide line AoE charge (Aerial Assault) through the arena.
- AoE combinations
- Chilling Chirp will now summon two circle AoE telegraphs on opposite cardinals.
- Almighty Racket: Get behind.
- Three circle AoE telegraphs will then appear along with spread marker AoEs on each player (Sedimentary Debris) dealing magical damage. Spread out in the safe zone.
- Earthsong: Spawns two sets of untargetable Sand Sphere adds, each of which will use a telegraphed point-blank AoE (Sphere Shatter). The first set has 7 spheres and the second set has 6. The boss will jump outside again and being moving around, so players will need to keep track of its location while dodging the AoEs.
- Almighty Racket + Sedimentary Debris
- Trap Jaws: Telegraphed physical tankbuster.
Soldier S0
- Field of Scorn: Party-wide magical damage.
- Thunderous Slash: Telegraphed magical tankbuster.
- Sector Bisector: The boss will brandish its glowing sword to its left or right, while a small purple wave of energy will appear at its feet on that side. It will then spawn six linked clones of itself in a hexagon, all with the same animation. The clones will then begin disappearing in a clockwise or counterclockwise pattern. The last clone to disappear will emit a half-room cleave from its location based on which side is glowing.
- Ordered Fire: Spawns four untargetable Add Blocks in pairs outside of the arena. These will use a late telegraphed line AoE in front of them, leaving one quadrant of the arena safe. At the same time, the boss will cast Static Force, placing conal spread markers on everyone, so they should spread out in the safe quadrant. The spread resolve shortly after the line AoEs, so there is time to adjust back into the previously unsafe areas for more space.
- Sector Bisector is used again but now summons 8 clones in an irregular formation. When most of the clones have disappeared, the boss will cast Electric Excess, a spread AoE on all players dealing magical damage. Spread out in the region that is safe from the half-room cleave from the last clone to disappear.
Indefatigable Defense: Valia Pira
The boss is immobile and will remain at the center of the arena but can be turned.
- Entropic Sphere: Party-wide magical damage.
- Coordinate March: The boss will tether two tiles with magenta tethers and the edge of the south two tiles with blue tethers. The magenta tethers will spawn a magenta orb on the tile, while the purple tethers will each spawn an electrope cube cluster that will travel along the blue tracks on the floor. When the cubes touch an orb, it will emit an untelegraphed plus-shaped AoE that will hit the row and column of tiles that the orb was on. For this first set, players can dodge into the first AoE towards the middle of the arena once it activates.
- The turrets activate... Two of the four turrets at the east wall will begin glowing, indicating they will use a late telegraphed line AoE in front of them, each hitting a row of the arena.
- Electric Field: Each player will receive a conal spread marker while multiple conal AoE floor telegraphs will appear. The spread markers and telegraphs will begin expanding, so spread out in regions that have a large gap between the initial telegraphs. The spread AoEs deal magical damage.
- Neutralize Front Lines: The boss will face one cardinal and use a late telegraphed 180 degree frontal cleave, while all players receive a spread marker AoE (Hypercharged Light) dealing magical damage. Spread out behind the boss.
- Coordinate March is used again. However, once the cubes start moving, the boss will cast Bloodmarch, teleporting one magenta orb to a new location on the other track (indicated by the arrow tether). This orb will always explode first.
- Deterrent Pulse: Line stack AoE marker on one player, dealing magical damage.
- Coordinate March is used again, but now summons three orbs. In addition, this is combined with the turret line AoEs and Bloodmarch. The first orb will explode, followed by the turret line AoEs, followed by the second orb (which was teleported), and finally the third orb.
Loot
- See also: Underkeep Armor and Underkeep Accessories
Gargant
Soldier S0
Valia Pira
Valia Pira Card (Drops at a fixed rate)
| Name | Type | Item Level | Rarity | Quantity |
|---|---|---|---|---|
 Find the Princess (Dawntrail) Orchestrion Roll
|
Orchestrion Roll | N/A | Basic | 1 |
 Royal Hound
|
Minion | N/A | Basic | 1 |
 Underkeep Breeches of Aiming
|
Legs | 725 | Green | 1 |
 Underkeep Breeches of Striking
|
Legs | 725 | Green | 1 |
 Underkeep Coat of Casting
|
Body | 725 | Green | 1 |
 Underkeep Coat of Healing
|
Body | 725 | Green | 1 |
 Underkeep Coat of Striking
|
Body | 725 | Green | 1 |
 Underkeep Jacket of Aiming
|
Body | 725 | Green | 1 |
 Underkeep Jacket of Scouting
|
Body | 725 | Green | 1 |
 Underkeep Pantaloons of Casting
|
Legs | 725 | Green | 1 |
 Underkeep Pantaloons of Healing
|
Legs | 725 | Green | 1 |
 Underkeep Pantaloons of Maiming
|
Legs | 725 | Green | 1 |
 Underkeep Pantaloons of Scouting
|
Legs | 725 | Green | 1 |
 Underkeep Surcoat of Fending
|
Body | 725 | Green | 1 |
 Underkeep Surcoat of Maiming
|
Body | 725 | Green | 1 |
 Underkeep Trousers of Fending
|
Legs | 725 | Green | 1 |
Treasure Coffers
Treasure Coffer 1 (X:? Y:?)
Treasure Coffer 2 (X:? Y:?)
Treasure Coffer 3 (X:? Y:?)
Treasure Coffer 4 (X:1? Y:?)
Achievements
This duty is associated with the following achievements:
| Name | Points | Task | Reward | Patch |
|---|---|---|---|---|
 Mapping the Realm: The Underkeep
|
10 | Discover every location within the Underkeep. | - | 7.2 |
Images
Gear Images
The Underkeep set is a recolor of the Lost Allagan Armor set, which can be purchased with 
Centurio Seals.
Dungeon Images
Trivia
- This dungeon is inspired by Alexandria Castle from Final Fantasy IX.