diff --git a/src/interfaces/resistance.ts b/src/interfaces/resistance.ts
deleted file mode 100644
index a044ddc..0000000
--- a/src/interfaces/resistance.ts
+++ /dev/null
@@ -1,4 +0,0 @@
-export interface Resistance {
-  type: string;
-  value: string;
-}
\ No newline at end of file
diff --git a/src/interfaces/stats.ts b/src/interfaces/stats.ts
new file mode 100644
index 0000000..6fa9381
--- /dev/null
+++ b/src/interfaces/stats.ts
@@ -0,0 +1,8 @@
+interface Stats {
+    type: string;
+    value: string;
+}
+
+export interface Resistance extends Stats {}
+
+export interface Weakness extends Stats {}
\ No newline at end of file
diff --git a/src/interfaces/weakness.ts b/src/interfaces/weakness.ts
deleted file mode 100644
index d674414..0000000
--- a/src/interfaces/weakness.ts
+++ /dev/null
@@ -1,4 +0,0 @@
-export interface Weakness {
-  type: string;
-  value: string;
-}
\ No newline at end of file