diff --git a/module/data/Actor/Hero.mjs b/module/data/Actor/Hero.mjs
index c26c0e0..b38d26b 100644
--- a/module/data/Actor/Hero.mjs
+++ b/module/data/Actor/Hero.mjs
@@ -109,13 +109,13 @@ export class HeroData extends foundry.abstract.TypeDataModel {
 					required: true,
 					nullable: false,
 				}),
-				rank: new fields.NumberField({
-					min: 0,
-					initial: 0,
-					max: 3,
-					integer: true,
+				rank: new fields.StringField({
+					initial: gameTerms.Rank.NOVICE,
 					required: true,
 					nullable: false,
+					blank: false,
+					trim: true,
+					choices: Object.values(gameTerms.Rank),
 				}),
 			}),
 		};
diff --git a/module/gameTerms.mjs b/module/gameTerms.mjs
index d323436..b1a1130 100644
--- a/module/gameTerms.mjs
+++ b/module/gameTerms.mjs
@@ -11,4 +11,10 @@ export const gameTerms = Object.preventExtensions({
 		`Rare`,
 		`Scarce`,
 	],
+	Rank: {
+		NOVICE: `Novice`,
+		ADEPT: `Adept`,
+		EXPERT: `Expert`,
+		Master: `Master`,
+	},
 });