diff --git a/packages/chess/src/modifiers/index.ts b/packages/chess/src/modifiers/index.ts
index 013a863..7c08956 100644
--- a/packages/chess/src/modifiers/index.ts
+++ b/packages/chess/src/modifiers/index.ts
@@ -19,10 +19,10 @@ export type {
 } from "./types.js";
 export { typeModifier, instanceModifier } from "./types.js";
 
-// Descriptor side-effect imports (added by T6-T11):
-// import "./descriptors/hp-bonus.js";
-// import "./descriptors/range-bonus.js";
-// import "./descriptors/direction-additions.js";
-// import "./descriptors/capture-flags.js";
-// import "./descriptors/promotion-override.js";
-// import "./descriptors/damage-resistance.js";
+// Descriptor side-effect imports — all 6 T1 modifiers (ADR-8):
+import "./descriptors/hp-bonus.js";
+import "./descriptors/range-bonus.js";
+import "./descriptors/direction-additions.js";
+import "./descriptors/capture-flags.js";
+import "./descriptors/promotion-override.js";
+import "./descriptors/damage-resistance.js";