And so, Xiao lived the rest of her days on only 11 servers.

XiaoBot.js

@@ -9,6 +9,7 @@ const client = new CommandoClient({
 	unknownCommandResponse: false,
 	disabledEvents: ['TYPING_START']
 });
+const whitelist = require('./assets/json/whitelist');
 
 client.registry
 	.registerDefaultTypes()
@@ -48,6 +49,11 @@ client.on('ready', () => {
 		];
 		client.user.setActivity(activities[Math.floor(Math.random() * activities.length)]);
 	}, 60000);
+	for (const guild of client.guilds.values()) {
+		if (whitelist.includes(guild.id)) continue;
+		console.log(`[LEAVE] Leaving guild ${guild.name}.`);
+		guild.leave().catch(err => console.error(`[LEAVE] Failed to leave ${guild.name}.`, err));
+	}
 });
 
 client.on('disconnect', event => {