diff --git a/composer.json b/composer.json
index 4be59682..7251a708 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
     ],
     "require": {
         "php": "^8.0",
-        "nunomaduro/collision": "^5.10.0|^6.0",
+        "nunomaduro/collision": "^5.11.0|^6.0.0",
         "pestphp/pest-plugin": "^1.0.0",
         "phpunit/phpunit": "10.0.x-dev"
     },
@@ -54,7 +54,10 @@
     "prefer-stable": true,
     "config": {
         "sort-packages": true,
-        "preferred-install": "dist"
+        "preferred-install": "dist",
+        "allow-plugins": {
+            "pestphp/pest-plugin": true
+        }
     },
     "bin": [
         "bin/pest"
diff --git a/src/Expectation.php b/src/Expectation.php
index f98638f7..191d762e 100644
--- a/src/Expectation.php
+++ b/src/Expectation.php
@@ -56,13 +56,13 @@ final class Expectation
      */
     public function and(mixed $value): Expectation
     {
-        return new self($value);
+        return $value instanceof static ? $value : new self($value);
     }
 
     /**
      * Creates a new expectation with the decoded JSON value.
      *
-     * @return self<mixed>
+     * @return self<array<int|string, mixed>|bool>
      */
     public function json(): Expectation
     {
@@ -70,7 +70,10 @@ final class Expectation
             InvalidExpectationValue::expected('string');
         }
 
-        return $this->toBeJson()->and(json_decode($this->value, true));
+        /** @var array<int|string, mixed>|bool $value */
+        $value = json_decode($this->value, true);
+
+        return $this->toBeJson()->and($value);
     }
 
     /**
@@ -125,8 +128,8 @@ final class Expectation
         }
 
         if (is_callable($callback)) {
-            foreach ($this->value as $item) {
-                $callback(new self($item));
+            foreach ($this->value as $key => $item) {
+                $callback(new self($item), $key);
             }
         }
 
@@ -148,6 +151,7 @@ final class Expectation
             throw new BadMethodCallException('Expectation value is not iterable.');
         }
 
+        //@phpstan-ignore-next-line
         $value          = is_array($this->value) ? $this->value : iterator_to_array($this->value);
         $keys           = array_keys($value);
         $values         = array_values($value);
diff --git a/src/Expectations/HigherOrderExpectation.php b/src/Expectations/HigherOrderExpectation.php
index 83c43643..f3aa62e7 100644
--- a/src/Expectations/HigherOrderExpectation.php
+++ b/src/Expectations/HigherOrderExpectation.php
@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace Pest\Expectations;
 
+use Closure;
 use Pest\Concerns\Retrievable;
 use Pest\Expectation;
 
@@ -79,6 +80,31 @@ final class HigherOrderExpectation
         return $this->expect($value);
     }
 
+    /**
+     * Scope an expectation callback to the current value in
+     * the HigherOrderExpectation chain.
+     *
+     * @param Closure(Expectation<TValue>): void $expectation
+     *
+     * @return HigherOrderExpectation<TOriginalValue, TOriginalValue>
+     */
+    public function scoped(Closure $expectation): self
+    {
+        $expectation->__invoke($this->expectation);
+
+        return new self($this->original, $this->original->value);
+    }
+
+    /**
+     * Creates a new expectation with the decoded JSON value.
+     *
+     * @return self<TOriginalValue, array<string|int, mixed>|bool>
+     */
+    public function json(): self
+    {
+        return new self($this->original, $this->expectation->json()->value);
+    }
+
     /**
      * Dynamically calls methods on the class with the given arguments.
      *
diff --git a/src/Support/Backtrace.php b/src/Support/Backtrace.php
index 09d9e438..56ac4fc9 100644
--- a/src/Support/Backtrace.php
+++ b/src/Support/Backtrace.php
@@ -26,6 +26,8 @@ final class Backtrace
         $current = null;
 
         foreach (debug_backtrace(self::BACKTRACE_OPTIONS) as $trace) {
+            assert(array_key_exists(self::FILE, $trace));
+
             if (Str::endsWith($trace[self::FILE], 'overrides/Runner/TestSuiteLoader.php')) {
                 break;
             }
@@ -45,7 +47,11 @@ final class Backtrace
      */
     public static function file(): string
     {
-        return debug_backtrace(self::BACKTRACE_OPTIONS)[1][self::FILE];
+        $trace = debug_backtrace(self::BACKTRACE_OPTIONS)[1];
+
+        assert(array_key_exists(self::FILE, $trace));
+
+        return $trace[self::FILE];
     }
 
     /**
@@ -53,7 +59,11 @@ final class Backtrace
      */
     public static function dirname(): string
     {
-        return dirname(debug_backtrace(self::BACKTRACE_OPTIONS)[1][self::FILE]);
+        $trace = debug_backtrace(self::BACKTRACE_OPTIONS)[1];
+
+        assert(array_key_exists(self::FILE, $trace));
+
+        return dirname($trace[self::FILE]);
     }
 
     /**
@@ -61,6 +71,10 @@ final class Backtrace
      */
     public static function line(): int
     {
-        return debug_backtrace(self::BACKTRACE_OPTIONS)[1]['line'];
+        $trace = debug_backtrace(self::BACKTRACE_OPTIONS)[1];
+
+        assert(array_key_exists('line', $trace));
+
+        return $trace['line'];
     }
 }
diff --git a/src/Support/HigherOrderCallables.php b/src/Support/HigherOrderCallables.php
index c6533929..1ccf1f9f 100644
--- a/src/Support/HigherOrderCallables.php
+++ b/src/Support/HigherOrderCallables.php
@@ -44,7 +44,7 @@ final class HigherOrderCallables
      *
      * @param callable|TValue $value
      *
-     * @return Expectation<TValue>
+     * @return Expectation<(callable(): mixed)|TValue>
      */
     public function and(mixed $value)
     {
@@ -52,9 +52,9 @@ final class HigherOrderCallables
     }
 
     /**
-     * Tap into the test case to perform an action and return the test case.
+     * Execute the given callable after the test has executed the setup method.
      */
-    public function tap(callable $callable): object
+    public function defer(callable $callable): object
     {
         Reflection::bindCallableWithData($callable);
 
diff --git a/tests/Features/Expect/HigherOrder/methods.php b/tests/Features/Expect/HigherOrder/methods.php
index d6da636b..3c03ddb5 100644
--- a/tests/Features/Expect/HigherOrder/methods.php
+++ b/tests/Features/Expect/HigherOrder/methods.php
@@ -74,8 +74,37 @@ it('works with higher order tests')
     ->name()->toEqual('Has Methods')
     ->books()->each->toBeArray;
 
+it('can use the scoped method to lock into the given level for expectations', function () {
+    expect(new HasMethods())
+        ->attributes()->scoped(fn ($attributes) => $attributes
+            ->name->toBe('Has Methods')
+            ->quantity->toBe(20)
+        )
+        ->name()->toBeString()->toBe('Has Methods')
+        ->newInstance()->newInstance()->scoped(fn ($instance) => $instance
+            ->name()->toBe('Has Methods')
+            ->quantity()->toBe(20)
+            ->attributes()->scoped(fn ($attributes) => $attributes
+                ->name->toBe('Has Methods')
+                ->quantity->toBe(20)
+            )
+        );
+});
+
+it('works consistently with the json expectation method', function () {
+    expect(new HasMethods())
+        ->jsonString()->json()->id->toBe(1)
+        ->jsonString()->json()->name->toBe('Has Methods')->toBeString()
+        ->jsonString()->json()->quantity->toBe(20)->toBeInt();
+});
+
 class HasMethods
 {
+    public function jsonString(): string
+    {
+        return '{ "id": 1, "name": "Has Methods", "quantity": 20 }';
+    }
+
     public function name()
     {
         return 'Has Methods';
diff --git a/tests/Features/Expect/HigherOrder/methodsAndProperties.php b/tests/Features/Expect/HigherOrder/methodsAndProperties.php
index b98c9f16..c9ef45aa 100644
--- a/tests/Features/Expect/HigherOrder/methodsAndProperties.php
+++ b/tests/Features/Expect/HigherOrder/methodsAndProperties.php
@@ -48,6 +48,15 @@ it('can start a new higher order expectation using the and syntax in higher orde
     ->toBeArray()
     ->foo->toEqual('bar');
 
+it('can start a new higher order expectation using the and syntax without nesting expectations', function () {
+    expect(new HasMethodsAndProperties())
+        ->toBeInstanceOf(HasMethodsAndProperties::class)
+        ->meta
+        ->sequence(
+            function ($value, $key) { $value->toBeArray()->and($key)->toBe('foo'); },
+        );
+});
+
 class HasMethodsAndProperties
 {
     public $name = 'Has Methods and Properties';
diff --git a/tests/Features/Expect/each.php b/tests/Features/Expect/each.php
index 0f26a974..63b3d60c 100644
--- a/tests/Features/Expect/each.php
+++ b/tests/Features/Expect/each.php
@@ -87,3 +87,11 @@ it('accepts callables', function () {
 
     expect(static::getCount())->toBe(12);
 });
+
+it('passes the key of the current item to callables', function () {
+    expect([1, 2, 3])->each(function ($number, $key) {
+        expect($key)->toBeInt();
+    });
+
+    expect(static::getCount())->toBe(3);
+});
diff --git a/tests/Features/HigherOrderTests.php b/tests/Features/HigherOrderTests.php
index e2ff0686..7aafbaa5 100644
--- a/tests/Features/HigherOrderTests.php
+++ b/tests/Features/HigherOrderTests.php
@@ -21,9 +21,9 @@ it('resolves expect callables correctly')
 test('does not treat method names as callables')
     ->expect('it')->toBeString();
 
-it('can tap into the test')
+it('can defer a method until after test setup')
     ->expect('foo')->toBeString()
-    ->tap(function () { expect($this)->toBeInstanceOf(TestCase::class); })
+    ->defer(function () { expect($this)->toBeInstanceOf(TestCase::class); })
     ->toBe('foo')
     ->and('hello world')->toBeString();
 
@@ -32,15 +32,15 @@ it('can pass datasets into the expect callables')
     ->expect(function (...$numbers) { return $numbers; })->toBe([1, 2, 3])
     ->and(function (...$numbers) { return $numbers; })->toBe([1, 2, 3]);
 
-it('can pass datasets into the tap callable')
+it('can pass datasets into the defer callable')
     ->with([[1, 2, 3]])
-    ->tap(function (...$numbers) { expect($numbers)->toBe([1, 2, 3]); });
+    ->defer(function (...$numbers) { expect($numbers)->toBe([1, 2, 3]); });
 
 it('can pass shared datasets into callables')
     ->with('numbers.closure.wrapped')
     ->expect(function ($value) { return $value; })
     ->and(function ($value) { return $value; })
-    ->tap(function ($value) { expect($value)->toBeInt(); })
+    ->defer(function ($value) { expect($value)->toBeInt(); })
     ->toBeInt();
 
 afterEach()->assertTrue(true);