diff --git a/ui/raidboss/data/06-ew/dungeon/the_lunar_subterrane.ts b/ui/raidboss/data/06-ew/dungeon/the_lunar_subterrane.ts
index 7e720fa03e..edc0935d52 100644
--- a/ui/raidboss/data/06-ew/dungeon/the_lunar_subterrane.ts
+++ b/ui/raidboss/data/06-ew/dungeon/the_lunar_subterrane.ts
@@ -1,9 +1,10 @@
 import Conditions from '../../../../../resources/conditions';
 import Outputs from '../../../../../resources/outputs';
 import { Responses } from '../../../../../resources/responses';
-import Util from '../../../../../resources/util';
+import Util, { Directions } from '../../../../../resources/util';
 import ZoneId from '../../../../../resources/zone_id';
 import { RaidbossData } from '../../../../../types/data';
+import { Matches } from '../../../../../types/net_matches';
 import { TriggerSet } from '../../../../../types/trigger';
 
 // TODO: Dark Elf tell people where to go for hidden staves
@@ -13,8 +14,19 @@ export interface Data extends RaidbossData {
   fountsSeen: number;
   fountX: number[];
   fountY: number[];
+  staffMatches: Matches[];
 }
 
+const elfCenterX = -401.02;
+const elfCenterY = -231.01;
+
+const dirNumberToOutput: { [number: number]: string } = {
+  1: 'northeast',
+  3: 'southeast',
+  5: 'southwest',
+  7: 'northwest',
+};
+
 const triggerSet: TriggerSet<Data> = {
   id: 'TheLunarSubteranne',
   zoneId: ZoneId.TheLunarSubterrane,
@@ -24,6 +36,7 @@ const triggerSet: TriggerSet<Data> = {
       fountsSeen: 0,
       fountX: [],
       fountY: [],
+      staffMatches: [],
     };
   },
   triggers: [
@@ -74,6 +87,98 @@ const triggerSet: TriggerSet<Data> = {
         },
       },
     },
+    {
+      id: 'Lunar Subterrane Dark Elf Ruinous Hex Collect',
+      type: 'StartsUsing',
+      netRegex: { id: ['89B6', '87DF'], source: 'Hexing Staff' }, // Ruinous Hex cast
+      run: (data, matches) => data.staffMatches.push(matches),
+    },
+    {
+      id: 'Lunar Subterrane Dark Elf Ruinous Hex Call',
+      type: 'StartsUsing',
+      netRegex: { id: '8985', source: 'Dark Elf', capture: false }, // Cue off Ruinous Confluence
+      delaySeconds: 0.5,
+      alertText: (data, _matches, output) => {
+        // The origin for this encounter is -401.02,-231.01
+        // On rounds 1/2, there is almost always a staff in a close square.
+        // The safespot in this situation is always diagonally opposite this close square.
+        // If there's no close staff, the pattern is always south safe or (assumedly) west safe.
+        // On round 3 and later, there is always one staff in a far corner,
+        // while two spawn framing the close square opposite this far one:
+
+        //      |-413|-405|-397|-389|
+        //      |----|----|----|----|
+        // -243 |0000|    |    |    |
+        //      |----|----|----|----|
+        // -235 |    |    |    |0000|
+        //      |----|----|----|----|
+        // -227 |    |    |    |    |
+        //      |----|----|----|----|
+        // -219 |    |0000|    |    |
+        //      |----|----|----|----|
+
+        // (This can also be rotated 180 degrees.)
+
+        // To date, only some squares have been observed to be populated.
+        // Blank squares here indicate locations that never have a staff.
+        // All coordinates are exact, although the log lines include two digits of precision.
+        // (-413.00, for instance.)
+
+        //      |-413|-405|-397|-389|
+        //      |----|----|----|----|
+        // -243 |0000|    |0000|0000|
+        //      |----|----|----|----|
+        // -235 |    |    |0000|0000|
+        //      |----|----|----|----|
+        // -227 |0000|0000|0000|    |
+        //      |----|----|----|----|
+        // -219 |0000|0000|    |0000|
+        //      |----|----|----|----|
+
+        // There will *always* be a close safe square.
+        // Don't bother with potential safe outer squares.
+        let safeX = [-405, -397];
+        let safeY = [-235, -227];
+
+        for (const staff of data.staffMatches) {
+          if (staff.x === undefined || staff.y === undefined)
+            return output.unknown!();
+          const staffX = Math.round(parseFloat(staff.x));
+          const staffY = Math.round(parseFloat(staff.y));
+          safeX = safeX.filter((col) => col !== staffX);
+          safeY = safeY.filter((col) => col !== staffY);
+        }
+
+        const finalX = safeX[0];
+        const finalY = safeY[0];
+
+        // We don't really care about the specific safe coordinates,
+        // the important thing is that there's at least one safe in each of row and column.
+        if (finalX === undefined || finalY === undefined)
+          return output.unknown!();
+        const safeNumber = Directions.xyTo8DirNum(finalX, finalY, elfCenterX, elfCenterY);
+        const outputSelect = dirNumberToOutput[safeNumber];
+        if (outputSelect === undefined)
+          return output.unknown!();
+        return output[outputSelect]!();
+      },
+      run: (data) => data.staffMatches = [],
+      outputStrings: {
+        northeast: {
+          en: 'Inner northeast safe',
+        },
+        northwest: {
+          en: 'Inner northwest safe',
+        },
+        southeast: {
+          en: 'Inner southeast safe',
+        },
+        southwest: {
+          en: 'Inner southwest safe',
+        },
+        unknown: Outputs.unknown,
+      },
+    },
     {
       id: 'Lunar Subterrane Dark Elf Doom',
       type: 'GainsEffect',
@@ -331,6 +436,7 @@ const triggerSet: TriggerSet<Data> = {
   timelineReplace: [
     {
       'locale': 'de',
+      'missingTranslations': true,
       'replaceSync': {
         'Aetheric Charge': 'magisch(?:e|er|es|en) Sphäre',
         'Damcyan Antlion': 'damcyanisch(?:e|er|es|en) Ameisenlöwe',
@@ -416,6 +522,7 @@ const triggerSet: TriggerSet<Data> = {
     },
     {
       'locale': 'ja',
+      'missingTranslations': true,
       'replaceSync': {
         'Aetheric Charge': '魔力球',
         'Damcyan Antlion': 'ダムシアン・アントリオン',