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On the Case

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On the Case

1335 AE / 1845 CC
End of Dragons
What Lies Beneath
Petrified Woods
(New Kaineng City)
Excavation Yard
(Gyala Delve)
Preceded by
A Raw Deal
Followed by
An Air of Mystery

On the Case loading screen.jpg

Loading screen.

On the Case is the second story step of What Lies Beneath.


  • Travel to the shipping docks in New Kaineng to hitch a ride on the rail line to Gyala Delve.
Investigate the upper mine area.
  • Meet your allies at Park Mining Ops in Gyala Delve.
  • Get an update on the situation from Rama.
  • Investigate the source of the scream.
  • Confront the angry mech.
  • Power down the incapacitated angry mech.
  • Listen to the rumors Yao and their friend have heard.
  • Question Jade Brotherhood members around the excavation yard about what they've witnessed.
    Event bar empty green.jpg
  • (Optional) Question any remaining witnesses.
  • Investigate the source of the second scream.
  • Listen to Chul-Moo's account of the attack.
  • (Fend off Jin-Lee!)
  • Jin-Lee
    Event bar green.jpg Event fist (tango icon).png
  • Reflect on the disturbing situation you and your allies just experienced.



This mission is fairly straight-forward. Begin by heading east (to your left at start) to find Gorrik and Rama. After talking with them, there will be a scream. Head south to find Yao being attacked by the jade mech Finn. After bringing Finn's health down, you will need to interact with it to restart Finn and turn it friendly. Afterwards, you'll need to talk with six out of nine witnesses. Each witness will require you to do something for them before they talk - these include:

  • Bringing them water.
  • Bringing them (or nearby animals) food.
  • Bringing them a jade block.
  • Bringing them a pickax.

All required items are nearby them, and will be marked with a related icon above the bundles they want.

After talking to six witnesses, another scream will be heard. Head south towards the mine entrance to find Chul-Moo lying on the ground near the eastern wall. After a brief discussion between him, the Commander, and Yao, Jin-Lee will approach and attack. Defeating Jin-Lee will spark one last discussion and the story mission will end.


On the Case Delve into the Haze 1Achievement points
Delve into the strange goings-on in the mines.Journal: On the Case Completed On the Case 1Achievement points
  • Complete the story mission.
Thorough Investigator overview map
Thorough Investigator Delve into the Haze 1Achievement points
Question all optional witnesses. Questioned 4 Witnesses 1Achievement points
  • Question all remaining witnesses.
  • Achievement qualification may be tracked via the Achievement effect.png Achievement Eligibility: Thorough Investigator effect.
  • It is not necessary to complete the corresponding optional mission objective. You can avoid paying 3 gold to one of the witnesses by repeating the instance and talking to another witness a second time.
Body-Language Basics Delve into the Haze 1Achievement points
Follow up with the injured Jade Brotherhood member after aiding Chul-Moo. Followed Up with the Jade Brotherhood Member 1Achievement points
  • Follow up with the injured Jade Brotherhood member after aiding Chul-Moo.
    • After saving Chul-Moo, go back to where Detective Rama and Gorrik first found an almost dying Brotherhood Scrapper (near the start of the instance). Talk with the Brotherhood Scrapper.



Jade Mechs
Stable animals


Ambient creature
Jade Mechs
  • Angry Brotherhood Mech (turns friendly into Finn after defeat)



Approaching Gorrik and Rama
Gorrik: I'm afraid my knowledge of healing is mostly theory based. Detective, are you trained in mouth-to-mouth resuscitation?
Detective Rama: You know, you can just call me "Rama." Since I guess we're both detectives now—
Gorrik: Thank you, Dete—Rama. I don't have a surname or honorific, per se, but even if I did, you could still call me Gorrik.
Detective Rama: Uh, thanks.
<Character name>: Is he...?
Detective Rama: He has a pulse, but it's weak.
<Character name>: Any sign of Yao? Or anyone?
Detective Rama: No, but we haven't been here long. Besides this guy, place is a ghost town.
Mysterious Scream: (scream)
Gorrik: (gasp) What if that's Yao? We need to investigate!
<Character name>: You two, stay here and tend to him. I'll take a look.
Investigating the upper mine area
Angry Brotherhood Mech: Stay back! What the hell is wrong with you?
Yao: Me? What's wrong with you?
Yao: Commander! Quick, hit the off switch!
After subduing the mech
Yao: Nice timing. Thanks for the assist!
Yao: This is Finn. I programmed him to be a fast learner, but I guess he adopted too much of Chul-Moo's management style.
Ari: We told Chul-Moo: positive reinforcement. Lasted about fifteen minutes. Then he went back to his usual abrasive self.
Yao: I heard things were going off the rails out here... Thought I'd drop by, make sure everyone's okay.
Ari: Really? What've you heard?
Yao: Some of the crew are MIA. Not sure if they're walking off the job and sticking it to Chul-Moo, or something worse.
Ari: My team's still here. But a guy locked himself in a room, yelling like he was possessed. Or...maybe stressed out...
Ari: And the animals are acting up. I know it sounds stupid. I thought the veterans were making it up to scare the newbies.
Yao: Chul-Moo did say the wildlife out here is "spawned from Shiro himself."
Ari: Then he's told you more than he's told us. I bet if you ask around camp you'll see more.
Speaking to Ari
Don't report me for catching a breather, I won't report you for...whatever you're doing.
Talk more option tango.png How long has this excavation been going on?
Mine's been around since before I was born. Dormant for years. After Soo-Won, everybody's been looking for energy sources. Scouts found this jade, so we brought in equipment and started digging.
Talk back option tango.png I have another question.
Talk end option tango.png Good to know. Thanks.
Talk more option tango.png How did the Brotherhood find out about this place?
Details above my pay grade, buddy! Chul-Moo's got eyes and ears—and knuckles—in a lotta places. He hears about anything valuable, you can bet we'll be doing everything we can to beat Xunlai to it.
Talk back option tango.png One more question...
Talk end option tango.png Got it. Thanks for the info.
Talk more option tango.png Know anything about this area?
Eh, not much. Some of the crew say they hear voices. See things. Don't know, don't care. Mining's always risky. I'm out here breakin' my back to get paid! Noises or not, need to put food on the table!
Talk back option tango.png One more thing...
Talk end option tango.png Thanks
Talk more option tango.png The Brotherhood did all this? Logistics? Planning? Giant drills?
I look like the marketing department? Look, Xunlai's not the only game in town. Though I'm surprised the MoT hasn't caught wind with all the train issues. Or maybe they did and Chul-Moo sorted it out.
Talk more option tango.png Sorted it out?
Don't play naïve. Last thing we need is MoT or Xunlai out here pokin' around, telling us what's what, eating into our profits... We hit the motherlode out here, that's OURS! I'm sure Chul-Moo'd agree.
Talk back option tango.png Wait, one more thing.
Talk end option tango.png Thanks for the information.
Talk back option tango.png I have another question.
Talk end option tango.png Good luck.
Talk end option tango.png I have to go.
Asking around the camp
Brotherhood Scrapper (packing): What do you want?
Talk quest option tango.png Heard some strange things are happening here. Seen anything unusual?
Got a deadline here, so let's make a deal. you grab some jade for me, I'll talk, everybody's happy. Sound good?
Talk give option tango.png I held up my end of the bargain... (If carrying jade)
Brotherhood Scrapper: Damn right I have! Even Jindo hates it! Yesterday he snapped at me, then ran off. He's usually such a good boy.
Brotherhood Scrapper: Never so much as growled at me before. If you're nosing around here anyway, could you look for him? He's got me worried.
Talk end option tango.png Okay.
Brotherhood Scrapper (injured): What do you want?
Talk quest option tango.png Heard some strange things are happening here. Seen anything unusual?
Ugh... I'm in no shape to be talking right now. Need some of that medicine over there first.
Talk give option tango.png That medicine make you any more talkative? (If carrying medicine)
Brotherhood Scrapper: "Seen"? Good luck seeing anything down in that pit. The air's thick as soup. And barely breahtable.
Brotherhood Scrapper: I already have asthma. If I wind up with more breathing problems, Chul-Moo's gonna pay!
Talk end option tango.png Okay.
Brotherhood Warrior: What do you want?
Talk quest option tango.png Heard some strange things are happening here. Seen anything unusual?
Look, my mouth has better things to do than jibber-jabber. Like eat. Can't you hear my stomach growling.
Talk give option tango.png I made you some fish. Now dish. (If carrying food from the Cooking Fire)
Brotherhood Warrior: How 'bout you mind your own damn business? (grumble) Nosy snoop...
Talk end option tango.png Sounds more like a gentle purr, but I'll find you something to eat.
Jade Brotherhood Stablemaster: What do you want?
Talk quest option tango.png Heard some strange things are happening here. Seen anything unusual?
Maybe, maybe not. I'll tell you...IF you feed one of those bottomless-bellied turtlets. I need a break!
Talk quest option tango.png Turtle tummies are topped up. It's time to hold up your end of the bargain. (After feeding hay to the Siege Turtles)
Jade Brotherhood Stablemaster: The vibes of this place are all wrong.
Jade Brotherhood Stablemaster: I can't put my finger on it, but there's something foul down here with us. I can feel it.
Talk end option tango.png Okay.
Brotherhood Pistoleer: What do you want?
Talk quest option tango.png Heard some strange things are happening here. Seen anything unusual?
I may be willing to impart some wisdom...if you might be willing to party with some coin to fund my buy-in.
Talk give option tango.png Fine. But don't lose it all at once. (Donate 3 gold.) (With over Gold coin)
He-he-he! Thanks, pal! Now, what was it you wanted?
Talk quest option tango.png Heard some strange things are happening here. Seen anything unusual?
Brotherhood Pistoleer: Strange? Heh. How about the fact that we're all taking orders from Chul-Moo.
Brotherhood Pistoleer: Why that guy's in charge, I will never know.
Talk end option tango.png On second thought, never mind.
Talk end option tango.png I'll keep my coin exactly where it is, thanks.
Brotherhood Junker (fruit basket): What do you want?
Talk quest option tango.png Heard some strange things are happening here. Seen anything unusual?
Didn't I tell you to go forage for fruit in that oasis an hour ago? What have you even been doing?
Talk give option tango.png I found some coconuts. Will this do? (If carrying a Coconut)
Brotherhood Junker: One of my crew said a guy had a meltdown in the lower mine. Started shouting at everyone. Totally incoherent.
Brotherhood Junker: Even locked himself in a supply room. He had a meeting with Cul-Moo earlier that day. Must've been a rough one...
Talk end option tango.png Think you're mistaking me for somebody else, but I'll find that fruit.
Jade Brotherhood Miner (hungry): What do you want?
Talk quest option tango.png Heard some strange things are happening here. Seen anything unusual?
I can't talk on an empty stomach.
Talk give option tango.png Here. Now go ahead and talk with your mouth full. (If carrying food from the Cooking Fire)
Jade Brotherhood Miner: Haven't seen anything, per se. But I swear I heard something.
Jade Brotherhood Miner: A voice from the dark...whispering. When I turned around, no one was there...
Talk end option tango.png But you just did. Fine, I'll get you some food.
Jade Brotherhood Miner (not working): What do you want?
Talk quest option tango.png Heard some strange things are happening here. Seen anything unusual?
I have bigger problems, buddy. Pickax here broke, and Chul-Moo's gonna have my head if I look like I'm slacking.
Talk give option tango.png First talk. Then dig. (If carrying a pickax)
Jade Brotherhood Miner:Who wants to know? You MinSec or something?
Talk end option tango.png I'll find you another one. Then we'll chat.
Brotherhood Junker (packing): What do you want?
Talk quest option tango.png Heard some strange things are happening here. Seen anything unusual?
Don't care who you are or what you've heard, I have deadlines. Make yourself useful and bring me some jade. Then we might talk.
Talk give option tango.png Here's your jade. Now talk. (If carrying jade)
Brotherhood Junker: Oh yeah, I've seen some stuff. Stuff you wouldn't believe. Crazy stuff. Like this one lady...
Brotherhood Junker: Started talking backward. Out of nowhere! Strangest thing I've ever head. But it gets weirder...
Brotherhood Junker: Saw this kappa... Cute little thing... Ran over and...heh, bit this guy's head clean off! Like a snack. And then...
Brotherhood Junker: It shot laser beams from its beady little eyes! I swear! Watch yourself out there. (chuckles)
Talk end option tango.png Okay.
Jade Brotherhood Miner (parched): What do you want?
Talk quest option tango.png Heard some strange things are happening here. Seen anything unusual?
So parched... Can hardly speak... Can you even hear me right now? Or does it just a hit...of a whisper...on the a forest...of—
Talk give option tango.png Here's a drop from a splash from a bucket of water. What have you seen? (If carrying Refreshing Water)
Jade Brotherhood Miner: Not sure about "unusual", but my team's captain is MIA. Just...disappeared after one of our night shifts.
Jade Brotherhood Miner: Between us, I bet she walked off the job. Seemed real agitated right before she went missing. Can't say I blame her...
Talk end option tango.png Pipe down. I'll get your water.
After filling the task completion bar
Mysterious Scream: (scream)
(one of the following)
<Character name>: (sigh) What now?
<Character name>: (sigh) Is screaming the only way the Brotherhood knows how to communicate?
Investigating the scream
Chul-Moo Finally! Did no one hear me yelling?
Yao: No offense, Chul-Moo, but you yelling isn't that unusual. You all right?
Chul-Moo: Yao? I told you to— No, I'm not all right! Jin-Lee attacked me!
Yao: The quiet, polite guy? Well, you're working everyone to the bone. Maybe he's stressed.
Chul-Moo: He bit me!
Yao: Oh.
Chul-Moo: Oh no! He's back! Keep him away from me!
Yao: Jin-Lee, it's Yao. You remember me, don't you?
Jin-Lee: (rabid gurgling)
Yao: C'mon... Don't make me do this...
After subduing Jin-Lee
Chul-Moo Th-thank you for...doing that. I didn't have the heart to do it myself...
Yao: Was that really Jin-Lee? He was acting like a monster! But if any part is still him... I...don't know what to say...
Chul-Moo This place...puts everyone on edge. They go down there to mine, and if they come back they're all rebellious...
Yao: "If"? Maybe you should, I don't know, be looking for them?
Chul-Moo I tried, but— Look, if you're going to critcize me, run home to Joon! That why you really here? To spy?
Yao: Gods, you're paranoid. You said things were out of hand, which checks out. I'm staying to search for the crew.
Chul-Moo Don't go down— You won't listen anyway. Do whatever you want. But don't say I didn't warn you!
Yao: You're in a tough position. I get that. But the longer you sit back and wait, the more people will wind up like Jin-Lee.
Yao: I know how much you care about your crew.
Yao: But if you don't act now, you won't have any crew left to care about.
Yao: Commander, if you want to scope out more of the area, I'll meet you later in the lower mines.
Yao: Chul-Moo...these people have been nothing but brave for you. It's time to return the favor.
Finding Jindo
The dog is spooked and cowering, unsure of your intentions.
Charisma You're Jindo, aren't you, boy? It's okay, you're safe. Go on home.
Talk end option tango.png Back away.
Checking back on the injured scrapper near the entrance
Detective Rama: Commander, look who's up. Morning, sunshine.
Brotherhood Scrapper: Can't a guy take a lunch nap without the law hovering around?
Detective Rama: We're investigating reports of odd occurrences around here. Seen anything?
Brotherhood Scrapper: Reports, huh? So...guess you'd already know...about the walls...
Detective Rama: Humor me.
Brotherhood Scrapper: You know... They've been...talking. Farther you get down the mine, the more they say.
Gorrik: WHAT?
Detective Rama: What. Hold on. This guy's full of it.
Gorrik: We shouldn't discount any detail yet—we're still in the info-gathering phase!
Detective Rama: Wanna be a detective? Gotta learn to weed out the liars. Bud, look me in the eyes. Now, tell me about the talking walls.
Brotherhood Scrapper: Well, they...(heh) say you ask too many questions— (snicker)
Detective Rama: Psssh. Poor eye contact. Shifty posture. Can't even buy his own skritt without laughing.
Gorrik: The body does betray a lot through nervous system responses. Fascinating...

My story[edit]

On the Case loading screen.jpg

After resting my eyes on the winding train ride to Gyala Delve, I woke up and met with Rama and Gorrik to investigate the area and question the Brotherhood crew. As the two of them tended to a fallen miner, a scream drew me to Yao, who was being attacked by a haywire mech.

Once I powered the mech down, Yao reprogrammed it and filled me in on some rumors. I continued to question more of the Brotherhood crew members, but their responses ran the gamut from ridiculous to rude to downright baffling—whispers, complaints, people talking backward...

Another scream led me to Jade Brotherhood leader Chul-Moo, who'd been attacked by one of his own crew, Jin-Lee. We were forced to fight his attacker since Chul-Moo had been hesitant to defend himself, not wanting to injure his own crew.

It was unclear if Chul-Moo had done something to anger Jin-Lee or if there was some other reason for his aggression. Yao convinced Chul-Moo to investigate further, and the two of them headed deeper into the mine.

My story