| Step
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Image
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Details
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| 1
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Missing, the Cleaner
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- The party lands at (63,98). Only the Party Leader can talk to Missing, the Cleaner at (63,100); everyone else is told to stop disturbing him.
- Choose Let's do this! to begin. The cleaner walks off and the 165 second cleaning phase starts.
- Gather the party before confirming. The phase runs on a fixed timer and does not wait for latecomers.
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| 2
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Culvert
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- Eight culverts sit at fixed spots: (36,111), (68,124), (80,114), (40,80), (75,80), (58,101), (53,114) and (79,109). Only one opens at a time.
- A cyan broadcast warns 5 seconds before each opening. Ten culverts open during the phase, at 5, 20, 35, 50, 65, 80, 95, 110, 135 and 150 seconds.
- When one opens, every party member on the map gets a numbered marker on that culvert. Run to it and click it.
- Clicking starts a 5 second progress bar that locks the cleaner in place. Finish it and the culvert closes clean.
- Leave it for 19.5 seconds and it closes dirty, spitting out one Contaminated Seaweed.
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| 3
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Contaminated Seaweed
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- Seaweed spawns around (58,102) and is effectively unkillable. Every hit on it deals exactly 1 damage whatever the attack, and it carries 100,000 HP, so the count can only be kept down by cleaning on time.
- The total is announced after every spawn. Five is tolerated, the sixth ends the run.
- On failure Missing, the Cleaner appears at (84,105) with a scolding. The leader can pick Okay, let's start again! to wipe the seaweed and restart the phase in the same instance.
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| 4
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Coelacanth
Coelacanth
Coelacanth
Coelacanth
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- At 165 seconds the cleaner inspects the result. With five seaweed or fewer he is satisfied, then starts shouting 20 seconds later.
- A Coelacanth surfaces at a random point on the map. It is one of four variants: Gloomy, Weird, Mutant or Violent, all with identical stats.
- Kill it to finish. The hunting quest counts every variant, so the roll does not matter.
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| Tips
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Contaminated Seaweed
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- Only 10 culverts open in 165 seconds and 6 misses fail the run, so there is room for 5 mistakes. Treat every opening as mandatory.
- The trash that spawns around a culvert does not have to die. It only slows the runner down, so clean the culvert and move to the next marker.
- The last culvert opens at 150 seconds and the inspection follows 15 seconds later, so it has less time than the rest.
- Splitting the party between the two halves of the map beats having everyone follow a single runner.
- The Coelacanth takes 1% of incoming damage, so its 340,000,000 health bar is worth 34 billion. It is Large, Fish and Water 2, so Wind is the element to bring.
- It spawns at a random position with no invincibility phase and no adds. Sweep the map instead of camping the centre.
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| Exit
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Missing, the Cleaner
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- Missing, the Cleaner appears at (80,106) when the Coelacanth dies.
- First clear completes First time in Malangdo Culvert, unlocks the Malangdo Culvert achievement and hands over 10
 Echo Scripture SS.
- Choosing Take me back to library. pays the party leader 52 to 72
 Chrono Coin SS and every other member 26 to 36.
- Wednesday, Saturday and Sunday add 3 plus one per party member Chrono Coin SS, 2
 Infinity Core per member and 5 to 15  Faint Magical Rune Stone.
- The exit warps to the Dimensional Library at (99,108).
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