diff --git a/src/client/Client.js b/src/client/Client.js
index feafc23..4619955 100644
--- a/src/client/Client.js
+++ b/src/client/Client.js
@@ -240,8 +240,6 @@ class Client extends BaseClient {
      */
     this.password = this.options.password;
 
-    this.session_id = null;
-
     if (this.options.messageSweepInterval > 0) {
       process.emitWarning(
         'The message sweeping client options are deprecated, use the global sweepers instead.',
@@ -260,7 +258,7 @@ class Client extends BaseClient {
    * @readonly
    */
   get sessionId() {
-    return this.session_id;
+    return this.ws.shards.first()?.sessionId;
   }
 
   /**
@@ -603,7 +601,7 @@ class Client extends BaseClient {
           'X-Context-Properties': 'eyJsb2NhdGlvbiI6Ik1hcmtkb3duIExpbmsifQ==', // Markdown Link
         },
         data: {
-          session_id: this.session_id,
+          session_id: this.sessionId,
         },
       });
     }
diff --git a/src/client/websocket/handlers/READY.js b/src/client/websocket/handlers/READY.js
index aa41413..6233b09 100644
--- a/src/client/websocket/handlers/READY.js
+++ b/src/client/websocket/handlers/READY.js
@@ -4,6 +4,7 @@ let ClientUser;
 const { VoiceConnection } = require('@discordjs/voice');
 const chalk = require('chalk');
 const { Events, Opcodes } = require('../../../util/Constants');
+const Util = require('../../../util/Util');
 const { VoiceConnection: VoiceConnection_patch } = require('../../../util/Voice');
 let firstReady = false;
 
@@ -41,6 +42,7 @@ function patchVoice(client) {
 }
 
 module.exports = async (client, { d: data }, shard) => {
+  Util.clientRequiredAction(client, data.required_action);
   if (!firstReady) {
     if (client.options.checkUpdate) {
       client.once('update', (currentVersion, newVersion) => {
@@ -99,7 +101,6 @@ module.exports = async (client, { d: data }, shard) => {
     firstReady = true;
   }
 
-  client.session_id = data.session_id;
   if (client.user) {
     client.user._patch(data.user);
   } else {
diff --git a/src/client/websocket/handlers/USER_REQUIRED_ACTION_UPDATE.js b/src/client/websocket/handlers/USER_REQUIRED_ACTION_UPDATE.js
new file mode 100644
index 00000000..ed94726
--- /dev/null
+++ b/src/client/websocket/handlers/USER_REQUIRED_ACTION_UPDATE.js
@@ -0,0 +1,5 @@
+'use strict';
+
+const Util = require('../../../util/Util');
+
+module.exports = (client, { d: data }) => Util.clientRequiredAction(client, data.required_action);
diff --git a/src/client/websocket/handlers/index.js b/src/client/websocket/handlers/index.js
index 0c44808..3b046e8 100644
--- a/src/client/websocket/handlers/index.js
+++ b/src/client/websocket/handlers/index.js
@@ -61,6 +61,7 @@ const handlers = Object.fromEntries([
   ['USER_GUILD_SETTINGS_UPDATE', require('./USER_GUILD_SETTINGS_UPDATE')],
   // USER_SETTINGS_PROTO_UPDATE // opcode 0
   ['USER_NOTE_UPDATE', require('./USER_NOTE_UPDATE')],
+  ['USER_REQUIRED_ACTION_UPDATE', require('./USER_REQUIRED_ACTION_UPDATE')],
   ['USER_UPDATE', require('./USER_UPDATE')],
   ['PRESENCE_UPDATE', require('./PRESENCE_UPDATE')],
   ['TYPING_START', require('./TYPING_START')],
diff --git a/src/structures/ApplicationCommand.js b/src/structures/ApplicationCommand.js
index a891ebf..7c643bb 100644
--- a/src/structures/ApplicationCommand.js
+++ b/src/structures/ApplicationCommand.js
@@ -824,7 +824,7 @@ class ApplicationCommand extends Base {
         application_id: this.applicationId,
         guild_id: message.guildId,
         channel_id: message.channelId,
-        session_id: this.client.session_id,
+        session_id: this.client.sessionId,
         data: {
           version: this.version,
           id: this.id,
@@ -962,7 +962,7 @@ class ApplicationCommand extends Base {
       application_id: this.applicationId,
       guild_id: message.guildId,
       channel_id: message.channelId,
-      session_id: this.client.session_id,
+      session_id: this.client.sessionId,
       data: {
         version: this.version,
         id: this.id,
diff --git a/src/structures/Invite.js b/src/structures/Invite.js
index bbd5978..e26960d 100644
--- a/src/structures/Invite.js
+++ b/src/structures/Invite.js
@@ -338,7 +338,7 @@ class Invite extends Base {
     };
     await this.client.api.invites(this.code).post({
       data: {
-        session_id: this.client.session_id,
+        session_id: this.client.sessionId,
       },
       headers: {
         'X-Context-Properties': Buffer.from(JSON.stringify(dataHeader), 'utf8').toString('base64'),
diff --git a/src/structures/MessageButton.js b/src/structures/MessageButton.js
index 5b9455a..c3a0613 100644
--- a/src/structures/MessageButton.js
+++ b/src/structures/MessageButton.js
@@ -181,7 +181,7 @@ class MessageButton extends BaseMessageComponent {
       channel_id: message.channel.id,
       message_id: message.id,
       application_id: message.applicationId ?? message.author.id,
-      session_id: message.client.session_id,
+      session_id: message.client.sessionId,
       message_flags: message.flags.bitfield,
       data: {
         component_type: MessageComponentTypes.BUTTON,
diff --git a/src/structures/MessagePayload.js b/src/structures/MessagePayload.js
index 91ac8b7..3a42a35 100644
--- a/src/structures/MessagePayload.js
+++ b/src/structures/MessagePayload.js
@@ -247,7 +247,7 @@ class MessagePayload {
       this.options.activity.type
     ) {
       const type = ActivityFlags.resolve(this.options.activity.type);
-      const sessionId = this.target.client.session_id;
+      const sessionId = this.target.client.sessionId;
       const partyId = this.options.activity.partyId;
       activity = {
         type,
diff --git a/src/structures/MessageSelectMenu.js b/src/structures/MessageSelectMenu.js
index e597688..cfeeb52 100644
--- a/src/structures/MessageSelectMenu.js
+++ b/src/structures/MessageSelectMenu.js
@@ -337,7 +337,7 @@ class MessageSelectMenu extends BaseMessageComponent {
       channel_id: message.channel.id,
       message_id: message.id,
       application_id: message.applicationId ?? message.author.id,
-      session_id: message.client.session_id,
+      session_id: message.client.sessionId,
       message_flags: message.flags.bitfield,
       data: {
         component_type: MessageComponentTypes[this.type],
diff --git a/src/structures/Modal.js b/src/structures/Modal.js
index dd7812e..6e4aad1 100644
--- a/src/structures/Modal.js
+++ b/src/structures/Modal.js
@@ -234,7 +234,7 @@ class Modal {
       channel_id: channel,
       data: dataFinal,
       nonce,
-      session_id: this.client.session_id,
+      session_id: this.client.sessionId,
     };
     await this.client.api.interactions.post({
       data: postData,
diff --git a/src/util/Options.js b/src/util/Options.js
index e2ecae8..05c8dc7 100644
--- a/src/util/Options.js
+++ b/src/util/Options.js
@@ -195,7 +195,7 @@ class Options extends null {
       proxy: '',
       ws: {
         // eslint-disable-next-line no-undef
-        // capabilities: 16381,
+        capabilities: 0, // https://discord-userdoccers.vercel.app/topics/gateway#gateway-capabilities
         properties: {
           os: 'Windows',
           browser: 'Discord Client',
@@ -206,7 +206,7 @@ class Options extends null {
           system_locale: 'en-US',
           browser_user_agent: defaultUA,
           browser_version: '22.3.12',
-          client_build_number: 213510,
+          client_build_number: 215527,
           native_build_number: 34898,
           client_event_source: null,
         },
diff --git a/src/util/Util.js b/src/util/Util.js
index fa5b88f..b308676 100644
--- a/src/util/Util.js
+++ b/src/util/Util.js
@@ -755,6 +755,96 @@ class Util extends null {
   static calculateUserDefaultAvatarIndex(userId) {
     return Number(BigInt(userId) >> 22n) % 6;
   }
+
+  static clientRequiredAction(client, code) {
+    let msg = '';
+    let stopClient = false;
+    switch (code) {
+      case null: {
+        msg = 'All required actions have been completed.';
+        break;
+      }
+      case 'AGREEMENTS': {
+        msg = 'You need to accept the new Terms of Service and Privacy Policy.';
+        // https://discord.com/api/v9/users/@me/agreements
+        client.api
+          .users('@me')
+          .agreements.patch({
+            data: {
+              terms: true,
+              privacy: true,
+            },
+          })
+          .then(() => {
+            client.emit(
+              'debug',
+              '[USER_REQUIRED_ACTION] Successfully accepted the new Terms of Service and Privacy Policy.',
+            );
+          })
+          .catch(e => {
+            client.emit(
+              'debug',
+              `[USER_REQUIRED_ACTION] Failed to accept the new Terms of Service and Privacy Policy: ${e}`,
+            );
+          });
+        break;
+      }
+      case 'REQUIRE_CAPTCHA': {
+        msg = 'You need to complete a captcha.';
+        stopClient = true;
+        break;
+      }
+      case 'REQUIRE_VERIFIED_EMAIL': {
+        msg = 'You need to verify your email.';
+        stopClient = true;
+        break;
+      }
+      case 'REQUIRE_REVERIFIED_EMAIL': {
+        msg = 'You need to reverify your email.';
+        stopClient = true;
+        break;
+      }
+      case 'REQUIRE_VERIFIED_PHONE': {
+        msg = 'You need to verify your phone number.';
+        stopClient = true;
+        break;
+      }
+      case 'REQUIRE_REVERIFIED_PHONE': {
+        msg = 'You need to reverify your phone number.';
+        stopClient = true;
+        break;
+      }
+      case 'REQUIRE_VERIFIED_EMAIL_OR_VERIFIED_PHONE': {
+        msg = 'You need to verify your email or verify your phone number.';
+        stopClient = true; // Maybe not
+        break;
+      }
+      case 'REQUIRE_REVERIFIED_EMAIL_OR_VERIFIED_PHONE': {
+        msg = 'You need to reverify your email or verify your phone number.';
+        stopClient = true;
+        break;
+      }
+      case 'REQUIRE_VERIFIED_EMAIL_OR_REVERIFIED_PHONE': {
+        msg = 'You need to verify your email or reverify your phone number.';
+        stopClient = true;
+        break;
+      }
+      case 'REQUIRE_REVERIFIED_EMAIL_OR_REVERIFIED_PHONE': {
+        msg = 'You need to reverify your email or reverify your phone number.';
+        stopClient = true;
+        break;
+      }
+      default: {
+        msg = `Unknown required action: ${code}`;
+        break;
+      }
+    }
+    if (stopClient) {
+      client.emit('error', new Error(`[USER_REQUIRED_ACTION] ${msg}`));
+    } else {
+      client.emit('debug', `[USER_REQUIRED_ACTION] ${msg}`);
+    }
+  }
 }
 
 module.exports = Util;