diff --git a/lib/createAssertions.js b/lib/createAssertions.js
index d34f9e9..b045625 100644
--- a/lib/createAssertions.js
+++ b/lib/createAssertions.js
@@ -1,55 +1,19 @@
-const path = obj => path =>
-	path.reduce((result, segment) => result && result[segment], obj);
-
-const pickSelector = path => {
-	const match = path.match(/^(res|unit)(::|$)/)[0];
-	if (match === 'res::') return 0;
-	if (match === 'unit::') return 1;
-	return -1;
-};
+const Shotgun = require('shotgun-query');
 
-const parsePath = obj => pathString => {
+module.exports = (expectable, expect, docs) => {
+	const unitExpects = [];
 
-	const paths = [];
+	if (expectable.checks) {
 
-	const normalised = pathString
-	.trim()
-	.replace(/^(res|unit)::/, '')
-	.split('::');
+		unitExpects.push(expect(expectable.checks).isArray());
 
-	if (normalised[normalised.length - 1] === '&*') {
-		const push = path(obj)(normalised.slice(0, normalised.length - 1));
-		if (Array.isArray(push)) Array.prototype.push.apply(paths, push);
-		else return Promise.reject(
-			`${push} is not an array. Cannot run '&*' operator!`);
-	} else {
-		paths.push(path(obj)(normalised));
-	}
+		expectable.checks.forEach(check =>
 
-	return paths;
+			unitExpects.push(
+					new Shotgun(check).eval(docs).call(expect))
 
-};
+		);
 
-const obj = {
-	doc: {
-		a:
-			{ b: [5, 10] }
-	}
-};
-
-module.exports = (expectable, expect, docs) => {
-	const unitExpects = [];
-
-	if (expectable.checks) {
-		unitExpects.push(expect(expectable.checks).isArray());
-		expectable.checks.forEach(check => {
-			const [ pathToCheck, method, ...args ] = check;
-			const selector = pickSelector(pathToCheck);
-			const toChecks = parsePath(docs[selector])(pathToCheck);
-			toChecks.forEach(toCheck =>
-				unitExpects.push(
-					expect(toCheck)[method](...args)));
-		});
 	}
 
 	return Promise.all(unitExpects);
diff --git a/lib/units/convertTest.js b/lib/units/convertTest.js
index 8dbc04e..2da0576 100644
--- a/lib/units/convertTest.js
+++ b/lib/units/convertTest.js
@@ -20,7 +20,7 @@ module.exports = instance => test => {
 					await createAssertions(
 						ex,
 						expect,
-						[ responseData ],
+						{ res: responseData },
 					));
 			else if (ex.type === 'db') {
 				let data = await processUnit(ex, state);
@@ -30,7 +30,7 @@ module.exports = instance => test => {
 					await createAssertions(
 						ex,
 						expect,
-						[ responseData, { doc: data } ]
+						{ res: responseData, unit: { doc: data } },
 					));
 			} else
 				return Promise.reject(
diff --git a/package.json b/package.json
index 35534ec..a6290bd 100644
--- a/package.json
+++ b/package.json
@@ -27,6 +27,7 @@
 		"@klenty/gunner": "^0.6.7",
 		"chai": "^4.1.2",
 		"chai-http": "^4.0.0",
-		"mongoose": "^5.2.6"
+		"mongoose": "^5.2.6",
+		"shotgun-query": "^0.1.0"
 	}
 }
diff --git a/shrinkwrap.yaml b/shrinkwrap.yaml
index 26f1730..b059755 100644
--- a/shrinkwrap.yaml
+++ b/shrinkwrap.yaml
@@ -3,6 +3,7 @@ dependencies:
   chai: 4.1.2
   chai-http: 4.0.0
   mongoose: 5.2.6
+  shotgun-query: 0.1.0
 packages:
   /@babel/code-frame/7.0.0:
     dependencies:
@@ -196,6 +197,10 @@ packages:
     dev: false
     resolution:
       integrity: sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==
+  /bracket-split/1.1.4:
+    dev: false
+    resolution:
+      integrity: sha512-O0FV/j4y/1Rzp/FlUZNy+AdNVfvPpBNRHe+8bpN5T4n7vm5N286TaT9Jvgvp0oEvNHTFU9dZIEpjvT/K7fKrqw==
   /bson/1.0.9:
     dev: false
     engines:
@@ -1324,6 +1329,12 @@ packages:
       node: '>=0.10.0'
     resolution:
       integrity: sha1-2kL0l0DAtC2yypcoVxyxkMmO/qM=
+  /shotgun-query/0.1.0:
+    dependencies:
+      bracket-split: 1.1.4
+    dev: false
+    resolution:
+      integrity: sha512-lKr0K5jG/d2L6500vvNNuN5qH82p7A1T6N2ySPXU4d6Qqjz4zj1K/pwIPg0psqOFmnPSl6+5q241C2Uuu/ACAQ==
   /signal-exit/3.0.2:
     dev: false
     resolution:
@@ -1509,3 +1520,4 @@ specifiers:
   chai: ^4.1.2
   chai-http: ^4.0.0
   mongoose: ^5.2.6
+  shotgun-query: ^0.1.0