More parsing work.

src/engine/objects/ItemTemplate.java

@@ -341,7 +341,7 @@ public class ItemTemplate {
                     JSONObject powerActionEntry = (JSONObject) o;
                     String power = (String) powerActionEntry.get("power_type");
                     JSONArray power_actions = (JSONArray) powerActionEntry.get("power_actions");
-                    JSONArray power_args = (JSONArray) power_actions.get(0);
+                    JSONObject power_args = (JSONObject) power_actions.get(0);
                     int[] power_arguments = {((Long) power_args.get(0)).intValue(), ((Long) power_args.get(1)).intValue()};
                     item_power_action.put(power, power_arguments);
                 }