diff --git a/src/services/rngService.ts b/src/services/rngService.ts
index 68225ca1..0e836466 100644
--- a/src/services/rngService.ts
+++ b/src/services/rngService.ts
@@ -6,7 +6,7 @@ export interface IRngResult {
     probability: number;
 }
 
-export const getRandomElement = <T>(arr: T[]): T | undefined => {
+export const getRandomElement = <T>(arr: readonly T[]): T | undefined => {
     return arr[Math.floor(Math.random() * arr.length)];
 };
 
@@ -113,7 +113,7 @@ export class CRng {
         return min;
     }
 
-    randomElement<T>(arr: T[]): T | undefined {
+    randomElement<T>(arr: readonly T[]): T | undefined {
         return arr[Math.floor(this.random() * arr.length)];
     }
 
@@ -145,7 +145,7 @@ export class SRng {
         return min;
     }
 
-    randomElement<T>(arr: T[]): T | undefined {
+    randomElement<T>(arr: readonly T[]): T | undefined {
         return arr[this.randomInt(0, arr.length - 1)];
     }
 
diff --git a/src/services/worldStateService.ts b/src/services/worldStateService.ts
index ae04a2a8..403ebae9 100644
--- a/src/services/worldStateService.ts
+++ b/src/services/worldStateService.ts
@@ -33,9 +33,11 @@ const sortieBosses = [
     "SORTIE_BOSS_LEPHANTIS",
     "SORTIE_BOSS_INFALAD",
     "SORTIE_BOSS_CORRUPTED_VOR"
-];
+] as const;
 
-const sortieBossToFaction: Record<string, string> = {
+type TSortieBoss = (typeof sortieBosses)[number];
+
+const sortieBossToFaction: Record<TSortieBoss, string> = {
     SORTIE_BOSS_HYENA: "FC_CORPUS",
     SORTIE_BOSS_KELA: "FC_GRINEER",
     SORTIE_BOSS_VOR: "FC_GRINEER",
@@ -74,17 +76,18 @@ const sortieFactionToSpecialMissionTileset: Record<string, string> = {
     FC_INFESTATION: "CorpusShipTileset"
 };
 
-const sortieBossNode: Record<string, string> = {
+const sortieBossNode: Record<Exclude<TSortieBoss, "SORTIE_BOSS_CORRUPTED_VOR">, string> = {
     SORTIE_BOSS_ALAD: "SolNode53",
     SORTIE_BOSS_AMBULAS: "SolNode51",
     SORTIE_BOSS_HEK: "SolNode24",
     SORTIE_BOSS_HYENA: "SolNode127",
-    SORTIE_BOSS_INFALAD: "SolNode705",
+    SORTIE_BOSS_INFALAD: "SolNode166",
     SORTIE_BOSS_JACKAL: "SolNode104",
     SORTIE_BOSS_KELA: "SolNode193",
     SORTIE_BOSS_KRIL: "SolNode99",
     SORTIE_BOSS_LEPHANTIS: "SolNode712",
     SORTIE_BOSS_NEF: "SettlementNode20",
+    SORTIE_BOSS_PHORID: "SolNode171",
     SORTIE_BOSS_RAPTOR: "SolNode210",
     SORTIE_BOSS_RUK: "SolNode32",
     SORTIE_BOSS_TYL: "SolNode105",
@@ -310,28 +313,17 @@ const pushSortieIfRelevant = (worldState: IWorldState, day: number): void => {
                 sortieFactionToSpecialMissionTileset[sortieBossToFaction[boss]]
         );
 
-        if (i == 2 && rng.randomInt(0, 2) == 2) {
+        if (i == 2 && boss != "SORTIE_BOSS_CORRUPTED_VOR" && rng.randomInt(0, 2) == 2) {
             const filteredModifiers = modifiers.filter(mod => mod !== "SORTIE_MODIFIER_MELEE_ONLY");
             const modifierType = rng.randomElement(filteredModifiers)!;
 
-            if (boss == "SORTIE_BOSS_PHORID") {
-                selectedNodes.push({
-                    missionType: "MT_ASSASSINATION",
-                    modifierType,
-                    node,
-                    tileset: sortieTilesets[node as keyof typeof sortieTilesets]
-                });
-                nodes.splice(randomIndex, 1);
-                continue;
-            } else if (sortieBossNode[boss]) {
-                selectedNodes.push({
-                    missionType: "MT_ASSASSINATION",
-                    modifierType,
-                    node: sortieBossNode[boss],
-                    tileset: sortieTilesets[sortieBossNode[boss] as keyof typeof sortieTilesets]
-                });
-                continue;
-            }
+            selectedNodes.push({
+                missionType: "MT_ASSASSINATION",
+                modifierType,
+                node: sortieBossNode[boss],
+                tileset: sortieTilesets[sortieBossNode[boss] as keyof typeof sortieTilesets]
+            });
+            continue;
         }
 
         const missionType = eMissionType[missionIndex].tag;