diff --git a/executor/src/task.rs b/executor/src/task.rs
index d76ca5ad..19318226 100644
--- a/executor/src/task.rs
+++ b/executor/src/task.rs
@@ -208,8 +208,8 @@ pub async fn run_task(task: TaskCall, js: crate::JsCallback) -> Result<TaskRespo
                     }
                 }
 
-                RuntimeCall::ClosestDescendantMerkleValue(_req) => {
-                    unreachable!()
+                RuntimeCall::ClosestDescendantMerkleValue(req) => {
+                    req.resume_unknown()
                 }
 
                 RuntimeCall::NextKey(req) => {
diff --git a/packages/chopsticks/package.json b/packages/chopsticks/package.json
index e4872d60..5bfd493f 100644
--- a/packages/chopsticks/package.json
+++ b/packages/chopsticks/package.json
@@ -72,4 +72,4 @@
 			"default": "./dist/esm/utils/*.js"
 		}
 	}
-}
\ No newline at end of file
+}
diff --git a/packages/chopsticks/src/plugins/try-runtime/index.ts b/packages/chopsticks/src/plugins/try-runtime/index.ts
index 5f1acc80..4d1ac5b8 100644
--- a/packages/chopsticks/src/plugins/try-runtime/index.ts
+++ b/packages/chopsticks/src/plugins/try-runtime/index.ts
@@ -1,69 +1,98 @@
+import { BuildBlockMode } from '@acala-network/chopsticks-core'
 import { writeFileSync } from 'node:fs'
 import { z } from 'zod'
 import type { Argv } from 'yargs'
 
 import { configSchema, getYargsOptions } from '../../schema/index.js'
-import { generateHtmlDiffPreviewFile } from '../../utils/generate-html-diff.js'
-import { openHtml } from '../../utils/open-html.js'
+import { overrideWasm } from '../../utils/override.js'
 import { setupContext } from '../../context.js'
 
 const schema = z.object({
   endpoint: configSchema.shape.endpoint,
-  port: configSchema.shape.port,
-  ['build-block-mode']: configSchema.shape['build-block-mode'],
   block: configSchema.shape.block,
   db: configSchema.shape.db,
   ['runtime-log-level']: configSchema.shape['runtime-log-level'],
-  ['wasm-override']: z.string({
+  ['runtime']: z.string({
     description: 'Path to WASM built with feature `try-runtime` enabled',
   }),
+  'import-storage': configSchema.shape['import-storage'],
+  checks: z.enum(['None', 'All', 'PreAndPost', 'TryState']),
+  'disable-spec-check': z.boolean({ description: 'Disable spec name/version check' }).optional(),
   ['output-path']: z
     .string({
       description: 'File path to print output',
     })
     .optional(),
-  html: z
-    .boolean({
-      description: 'Generate html with storage diff',
-    })
-    .optional(),
-  open: z
-    .boolean({
-      description: 'Open generated html',
-    })
-    .optional(),
 })
 
 export const cli = (y: Argv) => {
   y.command(
     'try-runtime',
-    'Runs runtime upgrade',
+    '🚧 EXPERIMENTAL: Check upgrade migrations 🚧',
     (yargs) => yargs.options(getYargsOptions(schema.shape)),
     async (argv) => {
-      const context = await setupContext(schema.parse(argv))
+      console.log('🚧 EXPERIMENTAL FEATURE 🚧')
+
+      const config = schema.parse(argv)
+      if (!config.db) {
+        console.log('⚠️ Make sure to provide db, it will speed up the process')
+      }
+      const context = await setupContext({ ...config, port: 8000, 'build-block-mode': BuildBlockMode.Manual })
       const block = context.chain.head
       const registry = await block.registry
       registry.register({
         UpgradeCheckSelect: {
           _enum: {
             None: null,
+            All: null,
+            PreAndPost: null,
+            TryState: null,
           },
         },
       })
 
-      const select_none = registry.createType('UpgradeCheckSelect', 'None')
-      const result = await block.call('TryRuntime_on_runtime_upgrade', [select_none.toHex()])
+      const oldVersion = await block.runtimeVersion
+      // set new runtime
+      await overrideWasm(block.chain, config.runtime)
+      const newVersion = await block.runtimeVersion
+      console.log('\n')
+      console.log(new Array(80).fill('-').join(''))
+      console.log(`\tCurrent runtime spec_name: ${oldVersion.specName}, spec_version: ${oldVersion.specVersion}`)
+      console.log(`\tNew runtime spec_name: ${newVersion.specName}, spec_version: ${newVersion.specVersion}`)
+      console.log(new Array(80).fill('-').join(''))
+      console.log('\n')
 
-      if (argv.html) {
-        const filePath = await generateHtmlDiffPreviewFile(block, result.storageDiff, block.hash)
-        console.log(`Generated preview ${filePath}`)
-        if (argv.open) {
-          openHtml(filePath)
-        }
-      } else if (argv.outputPath) {
-        writeFileSync(argv.outputPath, JSON.stringify(result, null, 2))
+      if (!config['disable-spec-check'] && oldVersion.specName !== newVersion.specName) {
+        console.log('❌ Spec name does not match. Use --disable-spec-check to disable this check')
+        process.exit(1)
+      }
+
+      if (!config['disable-spec-check'] && oldVersion.specVersion >= newVersion.specVersion) {
+        console.log('❌ Spec version must increase. Use --disable-spec-check to disable this check')
+        process.exit(1)
+      }
+
+      const select_none = registry.createType('UpgradeCheckSelect', config.checks)
+      const response = await block.call('TryRuntime_on_runtime_upgrade', [select_none.toHex()])
+
+      if (argv.outputPath) {
+        writeFileSync(argv.outputPath, JSON.stringify(response, null, 2))
       } else {
-        console.dir(result, { depth: null, colors: false })
+        const [actual, max] = registry.createType('(Weight, Weight)', response.result)
+        const consumedWeight = actual.refTime.toBn()
+        const maxWeight = max.refTime.toBn()
+
+        console.log('\n🚧 EXPERIMENTAL FEATURE 🚧')
+        console.log('⚠️ PoV measure is not supported, consider using https://crates.io/crates/try-runtime-cli')
+
+        console.log(
+          `\nConsumed weight: ${consumedWeight.toNumber()} of max: ${maxWeight.toNumber()} ( ${((consumedWeight.toNumber() / maxWeight.toNumber()) * 100).toFixed(2)}% )`,
+        )
+
+        if (consumedWeight.gt(maxWeight)) {
+          console.log('❌ Weight limit is exceeded ❌')
+          process.exit(1)
+        }
       }
 
       process.exit(0)
diff --git a/packages/core/package.json b/packages/core/package.json
index 32b93dd6..58a6b30a 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -57,4 +57,4 @@
 		"./dist/cjs/wasm-executor/node-worker.js": "./dist/cjs/wasm-executor/browser-worker.js",
 		"./dist/esm/wasm-executor/node-worker.js": "./dist/esm/wasm-executor/browser-worker.js"
 	}
-}
\ No newline at end of file
+}
diff --git a/packages/db/package.json b/packages/db/package.json
index e94fb70c..be4062a1 100644
--- a/packages/db/package.json
+++ b/packages/db/package.json
@@ -40,4 +40,4 @@
 			"default": "./dist/esm/*.js"
 		}
 	}
-}
\ No newline at end of file
+}
diff --git a/packages/testing/package.json b/packages/testing/package.json
index 29515bed..daf08985 100644
--- a/packages/testing/package.json
+++ b/packages/testing/package.json
@@ -39,4 +39,4 @@
 			"default": "./dist/esm/*.js"
 		}
 	}
-}
\ No newline at end of file
+}
diff --git a/packages/utils/package.json b/packages/utils/package.json
index 35a3f88b..ce74c0ad 100644
--- a/packages/utils/package.json
+++ b/packages/utils/package.json
@@ -38,4 +38,4 @@
 			"default": "./dist/esm/*.js"
 		}
 	}
-}
\ No newline at end of file
+}