diff --git a/src/tasks/perm.ts b/src/tasks/perm.ts
index 285e906..75ab3fb 100644
--- a/src/tasks/perm.ts
+++ b/src/tasks/perm.ts
@@ -24,11 +24,15 @@ export function setClass(property: string, value: Class): void {
 
 export const baseClasses = $classes`Seal Clubber, Turtle Tamer, Pastamancer, Sauceror, Disco Bandit, Accordion Thief`;
 export const gnomeSkills = $skills`Torso Awareness, Gnefarious Pickpocketing, Powers of Observatiogn, Gnomish Hardigness, Cosmic Ugnderstanding`;
+const itemSkills = new Set<Skill>();
+for (const item of Item.all()) {
+  const skill = item.skill;
+  if (skill === $skill.none) continue;
+  if (item.reusable && have(item)) itemSkills.add(skill);
+}
 const permBlockList = [
   ...$skills`CLEESH, Chronic Indigestion`,
-  ...Skill.all().filter((sk) =>
-    Item.all().find((it) => it.skill === sk && it.reusable && have(it))
-  ),
+  ...itemSkills
 ];
 
 export const permTiers = [