diff --git a/module/data/Actor/Hero.mjs b/module/data/Actor/Hero.mjs
index c84ec64..07369c8 100644
--- a/module/data/Actor/Hero.mjs
+++ b/module/data/Actor/Hero.mjs
@@ -61,6 +61,14 @@ export class HeroData extends foundry.abstract.TypeDataModel {
 					required: true,
 					nullable: false,
 				}),
+				rank: new fields.NumberField({
+					min: 0,
+					initial: 0,
+					max: 3,
+					integer: true,
+					required: true,
+					nullable: false,
+				}),
 			}),
 		};
 	};