diff --git a/biome.jsonc b/biome.jsonc
index 377ccaf53fb..98e77eb6eb5 100644
--- a/biome.jsonc
+++ b/biome.jsonc
@@ -52,7 +52,8 @@
           "level": "error",
           "fix": "safe"
         },
-        "noUnusedFunctionParameters": "error"
+        "noUnusedFunctionParameters": "error",
+        "noUnusedLabels": "error"
       },
       "style": {
         "useEnumInitializers": "off", // large enums like Moves/Species would make this cumbersome
@@ -62,7 +63,7 @@
         "noNonNullAssertion": "off", // TODO: Turn this on ASAP and fix all non-null assertions in non-test files
         "noParameterAssign": "off",
         "useExponentiationOperator": "off", // Too typo-prone and easy to mixup with standard multiplication (* vs **)
-        "useDefaultParameterLast": "off", // TODO: Fix spots in the codebase where this flag would be triggered, and then enable
+        "useDefaultParameterLast": "warn", // TODO: Fix spots in the codebase where this flag would be triggered, and then enable
         "useSingleVarDeclarator": "off",
         "useNodejsImportProtocol": "off",
         "useTemplate": "off", // string concatenation is faster: https://stackoverflow.com/questions/29055518/are-es6-template-literals-faster-than-string-concatenation
@@ -97,15 +98,17 @@
         "noRedeclare": "info", // TODO: Refactor and make this an error
         "noGlobalIsNan": "off",
         "noAsyncPromiseExecutor": "warn", // TODO: Refactor and make this an error
-        "noVar": "error"
+        "noVar": "error",
+        "noDocumentCookie": "off" // Firefox has minimal support for the "Cookie Store API"
       },
       "complexity": {
-        "noExcessiveCognitiveComplexity": "warn", // TODO: Refactor and make this an error
+        "noExcessiveCognitiveComplexity": "info", // TODO: Refactor and make this an error
         "useLiteralKeys": "off",
         "noForEach": "off", // Foreach vs for of is not that simple.
         "noUselessSwitchCase": "off", // Explicit > Implicit
         "noUselessConstructor": "error",
-        "noBannedTypes": "warn" // TODO: Refactor and make this an error
+        "noBannedTypes": "warn", // TODO: Refactor and make this an error
+        "noThisInStatic": "error"
       },
       "performance": {
         "noNamespaceImport": "error",
diff --git a/src/data/mystery-encounters/utils/encounter-phase-utils.ts b/src/data/mystery-encounters/utils/encounter-phase-utils.ts
index bb74f11ce60..f698f636cac 100644
--- a/src/data/mystery-encounters/utils/encounter-phase-utils.ts
+++ b/src/data/mystery-encounters/utils/encounter-phase-utils.ts
@@ -1226,7 +1226,7 @@ export function calculateMEAggregateStats(baseSpawnWeight: number) {
   );
 
   for (const value of meanEncountersPerRunPerBiomeSorted) {
-    stats += value[0] + "avg valid floors " + meanMEFloorsPerRunPerBiome.get(value[0]) + ", avg MEs ${value[1]},\n";
+    stats += value[0] + "avg valid floors " + meanMEFloorsPerRunPerBiome.get(value[0]) + `, avg MEs ${value[1]},\n`;
   }
 
   console.log(stats);